Jon S.

Finding The Indicated Probability

01/03/22

find the indicated probability

P(greater than or equal to 120) mean is 100 and the standard deviation is 15

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Statistics

01/02/22

In a bag of 100 chips, three are black. If 6 chips are drawn from the bag, what is the chance that a black one will be drawn?

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Statistics Probability

12/31/21

Card game - Spades

In the card game Spades each player is dealt 13 cards. The player with the 2 of clubs starts the game and plays that card. The person to the left then plays their lowest club, followed by the... more

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Microsoft Excel Probability Data Science

12/30/21

Probability decision analysis

Bank Chicago is investigating mistakes at three of its branches to try to determine the major causes of these mistakes. Branch three has the lowest percentage of mistakes, with one percent of... more

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Trigonometry

12/29/21

Determine the number of possible triangles with the given information

a = 6, b = 5, α = 25°a. Oneb. Twoc. Three

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Statistics

12/29/21

6- If, in a sample of n=16 selected from a normal population,x̅=56 and S=12, what is the value of the t-test statistic if you are testing the null hypothesis, H0: µ=50?

1- If, in a sample of n=16 selected from a normal population,x̅=56 and S=12, what is the value of the t-test statistic if you are testing the null hypothesis, H0: µ=50?

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Business Statistics

12/29/21

State the null hypothesis and the alternate hypothesis.

The average cost of tuition for a short course X is reported to be RM8,500 per term, but a financial administrator believes that the average cost is higher. A study conducted using 350 short... more

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Math Statistics

12/24/21

an examination was given to two classes each consisting of 49 students. In the first class the mean marks were 74 with a standard deviation of 8; in the second class the mean marks were 78 with a... more

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Math Statistics

12/24/21

mean median histogram

A sample of the daily earnings of a food vendor on a street was collected for 300 days. The distribution of earnings is as follows:Earning range($): 100-200 200-250 250-300 ... more

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Algebra 2

12/22/21

If 77 people attend a concert and tickets for adults cost $2.75 while tickets for children cost $1.5 and total receipts for the concert was $153, how many of each went to the concert?

How many...Adults?Children?

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Answers •4

Statistics Probability

12/21/21

what is/are the critical values?

The data in the accompanying table represent the compressive strength, in thousands of pounds per square inch (psi), of 20 samples of concrete taken two and seven days after pouring. Complete... more

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Statistics Probability

12/21/21

What is the test statistic zstat= ?

A cellphone provider has a business objective of wanting to determine the proportion of subscribers who would upgrade to a new cellphone with improved features if it were made available at a... more

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Statistics Probability

12/21/21

what is the test statistic here? Zstat = ?

A cellphone provider has the business objective of wanting to determine the proportion of subscribers who would upgrade to a new cellphone with improved features if it were made available at a... more

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Geometry

12/20/21

Find an equation for the perpendicular bisector of the line segment whose endpoints are ( 9 , 7 ) (9,7) and ( − 3 , − 5 ) (−3,−5).

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Algebra 1 Linear Functions Finding The Coordinate Given The Slope And A Point

12/20/21

Suppose that the credit remaining on a phone card (in dollars) is a linear function of the total calling time (in minutes).

Suppose that the credit remaining on a phone card (in dollars) is a linear function of the total calling time (in minutes). When graphed, the function gives a line with a slope of -0.14. There is... more

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Statistics Probability

12/20/21

stats hw final practice 10

Assume there is a sample of n1=4, with the sample mean X1=37 and a sample standard deviation of S1=2, and there is an independent sample of n2=5 from another population with a sample mean of... more

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Statistics Probability

12/20/21

If X=70, S=12, and n=16, and assuming that the population is normally distributed, construct a 90% confidence interval estimate of the population mean, μ.

If X=70, S=12, and n=16, and assuming that the population is normally distributed, construct a 90% confidence interval estimate of the population mean, μ. please round to two decimal places.

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Geometry Statistics Economics

12/19/21

Suppose that $2000 is invested at a rate of 5.5%, compounded semiannually. Assuming that no withdrawals are made, find the total amount after 3 years.

Homework question that I can't seem to get correct....Suppose that $2000 is invested at a rate of 5.5%, compounded semiannually. Assuming that no withdrawals are made, find the total amount after 3... more

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Geometry

12/19/21

opklnjhgyftrutiyhuljk

Select the correct answer.This coordinate plane shows the shape of a hang glider. The perimeter of the glider is to be trimmed with a special material. What is the minimum length of material... more

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Descriptive Statistics

12/18/21

Rejecting unreasonable claims based on average statistics

A private college advertised that last year their freshman students, on average, had a score of 1160 on the college entrance exam. Assuming that average refers to the mean, which of the following... more

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Probability

12/18/21

Probabilities of draws without replacement

A box contains 5 red balls and 7 orange balls. If Tim chooses 6 balls at random from the box, what is the probability that he will select 4 red balls and 2 orange balls? Round your answer... more

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Answers •4

Probability

12/18/21

Probability of independent events: Decimal answers

A student ran out of time on a multiple-choice exam and randomly guessed the answers for two problems. Each problem had 4 answer choices – a, b, c, d – and only one correct answer. What is... more

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Probability

12/18/21

Probability of independent events: Decimal answers

At a local college, 245 of the male students are smokers and 245 are non-smokers. Of the female students, 180 are smokers and 420 are non-smokers. A male student and a female student from the... more

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Statistics Probability

12/18/21

Let n1 =100, x1=60 , n2 =100, and x2=80 . Complete part (b) below.

Calculate the test statistic, ZSTAT, based on the difference p1−p2.The test statistic, ZSTAT, is negative 3.09−3.09.(Type an integer or a decimal. Round to two decimal places... more

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Probability Of Independent Events: Decimal Answers

12/18/21

Probability of independent events: Decimal answers

At a factory that produces pistons for cars, Machine 1 produced 369 satisfactory pistons and 41 unsatisfactory pistons today. Machine 2 produced 332 satisfactory pistons and 68 unsatisfactory... more

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find the indicated probability

In a bag of 100 chips, three are black. If 6 chips are drawn from the bag, what is the chance that a black one will be drawn?

Card game - Spades

Probability decision analysis

Determine the number of possible triangles with the given information

6- If, in a sample of n=16 selected from a normal population,x̅=56 and S=12, what is the value of the t-test statistic if you are testing the null hypothesis, H0: µ=50?

State the null hypothesis and the alternate hypothesis.

hypothesis testing

mean median histogram

If 77 people attend a concert and tickets for adults cost $2.75 while tickets for children cost $1.5 and total receipts for the concert was $153, how many of each went to the concert?

what is/are the critical values?

What is the test statistic zstat= ?

what is the test statistic here? Zstat = ?

Find an equation for the perpendicular bisector of the line segment whose endpoints are ( 9 , 7 ) (9,7) and ( − 3 , − 5 ) (−3,−5).

Suppose that the credit remaining on a phone card (in dollars) is a linear function of the total calling time (in minutes).

stats hw final practice 10

If X=70, S=12, and n=16, and assuming that the population is normally distributed, construct a 90% confidence interval estimate of the population mean, μ.

Suppose that $2000 is invested at a rate of 5.5%, compounded semiannually. Assuming that no withdrawals are made, find the total amount after 3 years.

opklnjhgyftrutiyhuljk

Rejecting unreasonable claims based on average statistics

Probabilities of draws without replacement

Probability of independent events: Decimal answers

Probability of independent events: Decimal answers

Let n1 =100, x1=60 , n2 =100, and x2=80 . Complete part (b) below.

Probability of independent events: Decimal answers

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Jon S.

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Emmersion

find the indicated probability

In a bag of 100 chips, three are black. If 6 chips are drawn from the bag, what is the chance that a black one will be drawn?

Card game - Spades

Probability decision analysis

Determine the number of possible triangles with the given information

6- If, in a sample of n=16 selected from a normal population,x̅=56 and S=12, what is the value of the t-test statistic if you are testing the null hypothesis, H0: µ=50?

State the null hypothesis and the alternate hypothesis.

hypothesis testing

mean median histogram

If 77 people attend a concert and tickets for adults cost $2.75 while tickets for children cost $1.5 and total receipts for the concert was $153, how many of each went to the concert?

what is/are the critical values?

What is the test statistic zstat= ?

what is the test statistic here? Zstat = ?

Find an equation for the perpendicular bisector of the line segment whose endpoints are ( 9 , 7 ) (9,7) and ( − 3 , − 5 ) (−3,−5).

Suppose that the credit remaining on a phone card (in dollars) is a linear function of the total calling time (in minutes).

stats hw final practice 10

If X=70​, S=12​, and n=16​, and assuming that the population is normally​ distributed, construct a 90% confidence interval estimate of the population​ mean, μ.

Suppose that $2000 is invested at a rate of 5.5%, compounded semiannually. Assuming that no withdrawals are made, find the total amount after 3 years.

opklnjhgyftrutiyhuljk

Rejecting unreasonable claims based on average statistics

Probabilities of draws without replacement

Probability of independent events: Decimal answers

Probability of independent events: Decimal answers

Let n1 =100​, x1=60 ​, n2 =100​, and x2=80 . Complete part​ (b) below.

Probability of independent events: Decimal answers

Still looking for help? Get the right answer, fast.

OR

Jon S.

If X=70, S=12, and n=16, and assuming that the population is normally distributed, construct a 90% confidence interval estimate of the population mean, μ.

Let n1 =100, x1=60 , n2 =100, and x2=80 . Complete part (b) below.