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Probability

07/19/21

Probability Race Horse

A horse race has 10 entries and one person owns 4 of those horses. Assuming that there are no ties, what is the probability that those four horses finish first, second, third, and fourth?

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Probability Statistics

07/18/21

The grades of a freshman college class, obtained after the first year of college, were analyzed. Seventy percent of the students in the top quarter of the college class had graduated in the upper... more

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Probability Statistics

07/15/21

Consider an unfair coin that turns up heads one-fourth of the time. I toss the coin three times

Consider an unfair coin that turns up heads one-fourth of the time. I toss the coin three timesand let X equal the number of heads. Find the probability distribution of X and then find its mean and... more

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Probability Statistics

07/15/21

Consider an unfair coin that turns up heads one-fourth of the time. I toss the coin three times

Consider an unfair coin that turns up heads one-fourth of the time. I toss the coin three timesand let X equal the number of heads. Find the probability distribution of X and then find its mean and... more

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Probability

07/14/21

a random veriable x has pdf is fX(x)=5/8(1-x^4) where -1<_x<_1.... find P[-1/2<_X<_3/4]........(<_) means greater then and equal to

Kindly solve this problem. Than you

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Probability

07/14/21

a fair coin is tossed 8 times. what is the probability that no of heads not greater then 2.

Kindly solve this problem. Thank You

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Probability

07/14/21

if there are 5 classes and each class have 30 students what is the probabity that if we select 2 students and that 2 students are from the same class?

Kindly solve this problem. Thank you

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Probability

07/14/21

What is the value of P(AUB) if P(A∩B)=.90, P(A)=.40, P(B)=.75?

What is the value of P(AUB) if P(A∩B)=.90, P(A)=.40, P(B)=.75. The formula is P(AUB) = P(A) + P(B) - P(A∩B)

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Probability Statistics

07/10/21

How to solve this probability question?

The members of a private club are divided into two groups, Barisan and Pakatan. Group Barisan consists of 80 men and 160 women whereas Group Pakatan consists of 200 men and 120 women. A member is... more

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Probability Math Algebra 2 Mathematics

07/10/21

The scores of one class on the Unit 2 mathematics test are shown in the accompanying diagram. Find the population standard deviation of these scores, to the nearest tenth.

The scores of one class on the Unit 2 mathematics test are shown in the accompanying diagram. Find the population standard deviation of these scores, to the nearest tenth. Unit 2 Mathematics... more

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Probability Math Algebra 2 Mathematics

07/10/21

Write a linear regression equation for this set of data, rounding values to the nearest ten-thousandth where necessary.

The mid-September statewide average gas prices, in dollars per gallon (y), for the year since 2000 (x), are given in the table below.Year Since 2000 (x): | Price Per Gallon (y)1 ... more

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Probability Math Algebra 2 Mathematics

07/10/21

Using this equation, determine how much more the actual 2005 gas price was than the predicted gas price if the actual mid-September gas price for the year 2005 was $2.956.

The mid-September statewide average gas prices, in dollars per gallon (y), for the year since 2000 (x), are given in the table below.Year Since 2000 (x): | Price Per Gallon (y)1 ... more

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Probability Math Algebra 2 Mathematics

07/10/21

Using x = 1 to represent the year 1986 and y to represent the number of new stores, write the exponential equation for these data. Round all values to the nearest thousandth.

The accompanying table shows the number of new stores in a coffee shop chain that opened during the years 1986 through 1994. Year Number of... more

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Probability Math Algebra 2

07/10/21

a) Write a power regression equation for this set of data, rounding all values to three decimal place.

The table below shows the results of an experiment involving the growth of bacteria. Time (x) (in minutes) 1 3 5 7 9 11 Number of Bacteria... more

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Probability Math Algebra 2 Mathematics

07/10/21

You take true/false test that has 60 questions.If you guess on each question, and have the same chance of guessing correct on each question, what is probability to get atleast 65% of questions correct

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Probability Math Algebra 2 Mathematics

07/10/21

Determine the probability of landing on tails at most 33 times if you flip a fair coin 80 times. Round your answer to the nearest tenth.

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Probability

07/08/21

Basic Probability

Our friend Deepika needs some winter clothing, so she goes to her local clothing store to see what choices they have. Looking around the store, she sees that they have two types of winter items:... more

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Probability

07/07/21

independent and dependent events

In a carnival game called Spot the Spot, the player has to drop five disks onto a red circle. The disks must cover it completely for the player to win. The probability that a skilled player can... more

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Probability

07/07/21

20 Different Socks of Two Types, How Many Picks to Get a Pair 100% Sure

There are 20 different socks, of two types, in a completely dark room. What is the minimum number of socks you should grab to ensure you have a matching pair?

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Probability

07/06/21

Maths questions

At a certain store the manager has determined that 40% of customers pay cash and 60% of customers pay by debit card. (No other method of payment is accepted, and no one is allowed to pay with both... more

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Probability

07/04/21

One urn contains 4 white balls, 4 black balls, and 4 red balls. 6 balls are removed from that urn. Determine the probability of 2 balls of each color being drawn.

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Probability Math Statistics

07/03/21

Construct a frequency distribution and a relative frequency histogram for the data set using five classes. Which class has the greatest relative frequency and which has the least relative frequency?

Ratings from 1 (lowest) to 10 (highest) from 36 taste testers2 5 9 1 10 10 5 10 68 8 6 5 10 1 4 9 44 5 3 5 6 2 3 10 19 4 ... more

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Probability Math Statistics

07/03/21

Construct a frequency distribution and a frequency histogram for the data set using the indicated number of classes. Describe any patterns.

Number of classes: 8 Data set: Reaction times (in milliseconds) of 30 adult females to an auditory stimulus 428 293 382 338 514 423389 426 372... more

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Probability

07/02/21

Probability of a "hit" when revealing 10 cards.

The premise is: I have 10 cards to flip over. 5 are from set A and 5 from set B. One of these 10 cards has a special marking on it. My question is, what is the appropriate order to flip cards from... more

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Probability

07/01/21

A really hard question (for me at least) of my homework

The research and development department of a manufacturing company has identified 4 possible types of defects for a new product (A, B, C, D). The identified probabilities are 0.4, 0.3, 0.05, and... more

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Probability Race Horse

Probability of an event

Consider an unfair coin that turns up heads one-fourth of the time. I toss the coin three times

Consider an unfair coin that turns up heads one-fourth of the time. I toss the coin three times

a random veriable x has pdf is fX(x)=5/8(1-x^4) where -1<_x<_1.... find P[-1/2<_X<_3/4]........(<_) means greater then and equal to

a fair coin is tossed 8 times. what is the probability that no of heads not greater then 2.

if there are 5 classes and each class have 30 students what is the probabity that if we select 2 students and that 2 students are from the same class?

What is the value of P(AUB) if P(A∩B)=.90, P(A)=.40, P(B)=.75?

How to solve this probability question?

The scores of one class on the Unit 2 mathematics test are shown in the accompanying diagram. Find the population standard deviation of these scores, to the nearest tenth.

Write a linear regression equation for this set of data, rounding values to the nearest ten-thousandth where necessary.

Using this equation, determine how much more the actual 2005 gas price was than the predicted gas price if the actual mid-September gas price for the year 2005 was $2.956.

Using x = 1 to represent the year 1986 and y to represent the number of new stores, write the exponential equation for these data. Round all values to the nearest thousandth.

a) Write a power regression equation for this set of data, rounding all values to three decimal place.

You take true/false test that has 60 questions.If you guess on each question, and have the same chance of guessing correct on each question, what is probability to get atleast 65% of questions correct

Determine the probability of landing on tails at most 33 times if you flip a fair coin 80 times. Round your answer to the nearest tenth.

Basic Probability

independent and dependent events

20 Different Socks of Two Types, How Many Picks to Get a Pair 100% Sure

Maths questions

One urn contains 4 white balls, 4 black balls, and 4 red balls. 6 balls are removed from that urn. Determine the probability of 2 balls of each color being drawn.

Construct a frequency distribution and a relative frequency histogram for the data set using five classes. Which class has the greatest relative frequency and which has the least relative​ frequency?

Construct a frequency distribution and a frequency histogram for the data set using the indicated number of classes. Describe any patterns.

Probability of a "hit" when revealing 10 cards.

A really hard question (for me at least) of my homework

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Construct a frequency distribution and a relative frequency histogram for the data set using five classes. Which class has the greatest relative frequency and which has the least relative frequency?