Newest statistics Questions | Wyzant Ask An Expert

Statistics

03/20/22

Use a tree diagram

Question 3 Two factories manufacture computer memory chips. Suppose that 20% of the chips from Factory I are defective and that 5% of the chips from Factory II are defective. Each week Factory I... more

Follows • 1

Answers •1

Statistics Math Algebra 1 Algebra 2

03/20/22

please help with this petsmart statistical probability question!!

Customers entering Petsmart were surveyed at random about what type of pet they had. The results showed that the probabitlity of a person owning a dog was .56. The probabilty that a person had both... more

Follows • 1

Answers •2

Statistics Math Algebra 1 Algebra 2

03/20/22

Please help me with these statistical probability questions i beg !!

The international club at school has 105 members, many of whom speak multiple languages. The most common spoken languages in the club are English, Spanish, and Chinese. Use the Venn Diagram below... more

Follows • 1

Answers •1

Statistics

03/20/22

Hypothesis Testing - How to identify the claim?

To see whether people are keeping their car tires inflated to the correct level (35 psi), a tire company employee selects a sample of 36 tires (randomly) and checks their pressure. The mean of the... more

Follows • 1

Answers •1

Statistics

03/20/22

The mean daily production of a herd of cows is assumed to be normally distributed with a mean of 31 liters, and standard deviation of 7.6 liters.

A) What is the probability that daily production is less than 39.8 liters?Answer= (Round your answer to 4 decimal places.)B) What is the probability that daily production is more than 38.3... more

Follows • 1

Answers •1

Statistics

03/19/22

A manufacturing machine has a 3% defect rate. If 5 items are chosen at random, what is the probability that at least one will have a defect?

Round your answer to 4 decimal places

Follows • 1

Answers •1

Statistics Math Algebra 2 Geometry

03/19/22

I need help with these probability questions for geometry

Customers entering Petsmart were surveyed at random about what type of pet they had. The results showed that the probabitlity of a person owning a dog was .56. The probabilty that a person had both... more

Follows • 2

Answers •2

Statistics

03/18/22

I keep getting this wrong

From a group of 9 people, you randomly select 5 of them.What is the probability that they are the 5 oldest people in the group?Give your answer as a fraction

Follows • 1

Answers •1

Statistics

03/18/22

I keep getting this wrong . Please tell me why

A bag contains 6 red marbles, 6 white marbles, and 10 blue marbles. You draw 3 marbles out at random, without replacement. Give all answers as a decimal rounded to four places.a) What is the... more

Follows • 1

Answers •2

Statistics

03/18/22

Statistics questions

Analyzing many years of data, a car insurance company finds that its customers' claims have a mean of $250 and a standard deviation of $1000, and the distribution is skewed to the right. In a year... more

Follows • 1

Answers •1

Statistics Geometry Probability

03/18/22

SOMEBODY PLEASE HELP ME WITH THE TWO WAY TABLES FOR GEOMETRY!! I NEED HELP VERY SOON PLEASE

Studied less than two hours(L) Studied more than two hours(M) total Studied independantly (G) 12 4 16 Studied with a group(G) 8 11 19 total 20 15 35 a) What is the probability that a... more

Follows • 2

Answers •2

Statistics

03/18/22

Help with statistics problem

Problem : ∑4i=2 (x2+3)I don't understand why the solution is:(22+3) + (72+3) + (12+3)I don't understand how we get 72 followed by 12. Thanks for your help!!

Follows • 1

Answers •1

Statistics Math Probability Maths

03/17/22

You are apart-time crew at a fast food chain. Suppose you serve a certain number of customers every hour.

You are apart-time crew at a fast food chain. Suppose you serve a certain number of customers every hour. Assume the number of people you have served in 3 hours and let this be your population... more

Follows • 2

Answers •1

Statistics

03/17/22

Based on a sample of 100 people, 63% owned cats. What is the p-value?

If you can show how this would be done on a graphing calculator, such as a TI-84, that would be wonderful.

Follows • 1

Answers •1

Statistics

03/17/22

If one of the pedestrian deaths is randomly selected, find the probability that the driver was not intoxicated. (Please enter a decimal, and round your answer to 4 decimal places.)

Driver Intoxicated? Pedestrian Intoxicated? Yes Yes 41 72 No 215 647 The Blank Is No

Follows • 1

Answers •1

Statistics Stats Shaded Regions

03/16/22

Non Standard Distributions, Central Limit Theorem

Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. 102 122 A... more

Follows • 2

Answers •1

Statistics

03/16/22

How do I start this off? I keep getting my answer incorrect.

From a group of 8 people, you randomly select 5 of them.What is the probability that they are the 5 oldest people in the group?

Follows • 2

Answers •1

Statistics

03/16/22

Hi I need help!

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) What is the... more

Follows • 2

Answers •1

Statistics

03/16/22

The random variable x is the number of occurrences of an event over an..

The random variable x is the number of occurrences of an event over an interval of 10 minutes. It can be assumed the probability of an occurrence is the same in any two time periods of an equal... more

Follows • 1

Answers •1

Statistics

03/16/22

If A and B are mutually exclusive events...

If A and B are mutually exclusive events with P(A) = .5 and P(B) = .5, then P(A ∩ B) is .5, 1, 0 or .25

Follows • 1

Answers •1

Statistics

03/16/22

The total of 72 students took two courses. The table below shows the number of students in two courses according to their final grades.

A B C D F CALCULUS 10 7 8 5 6 STATISTICS 12 6 6 8 4A student is selected random. Find... more

Follows • 1

Answers •1

Statistics

03/16/22

Three people are selected at random. Find the probability that all three are born on Sunday.

Follows • 1

Answers •1

Statistics

03/16/22

Two dice are tossed. Find the probability that their sum is eleven.

Follows • 1

Answers •1

Statistics

03/16/22

Restaurant has two apppetizers, three main dishes, five drinks. If you would like to order all three, how many different meals can you order?

Follows • 1

Answers •1

Statistics Math Probability Maths

03/16/22

A random sample of size 50 is taken from a large population with mean μ=160 and standard deviation σ=18.

A random sample of size 50 is taken from a large population with mean μ=160 and standard deviation σ=18. What is the mean of the sampling distribution of the sample means? What is the standard... more

Follows • 1

Answers •1

Use a tree diagram

please help with this petsmart statistical probability question!!

Please help me with these statistical probability questions i beg !!

Hypothesis Testing - How to identify the claim?

The mean daily production of a herd of cows is assumed to be normally distributed with a mean of 31 liters, and standard deviation of 7.6 liters.

A manufacturing machine has a 3% defect rate. If 5 items are chosen at random, what is the probability that at least one will have a defect?

I need help with these probability questions for geometry

I keep getting this wrong

I keep getting this wrong . Please tell me why

Statistics questions

SOMEBODY PLEASE HELP ME WITH THE TWO WAY TABLES FOR GEOMETRY!! I NEED HELP VERY SOON PLEASE

Help with statistics problem

You are apart-time crew at a fast food chain. Suppose you serve a certain number of customers every hour.

Based on a sample of 100 people, 63% owned cats. What is the p-value?

If one of the pedestrian deaths is randomly selected, find the probability that the driver was not intoxicated. (Please enter a decimal, and round your answer to 4 decimal places.)

Non Standard Distributions, Central Limit Theorem

How do I start this off? I keep getting my answer incorrect.

Hi I need help!

The random variable x is the number of occurrences of an event over an..

If A and B are mutually exclusive events...

The total of 72 students took two courses. The table below shows the number of students in two courses according to their final grades.

Three people are selected at random. Find the probability that all three are born on Sunday.

Two dice are tossed. Find the probability that their sum is eleven.

Restaurant has two apppetizers, three main dishes, five drinks. If you would like to order all three, how many different meals can you order?

A random sample of size 50 is taken from a large population with mean μ=160 and standard deviation σ=18.

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

OR

RELATED TOPICS

RELATED QUESTIONS

statistics

statistics

I need a creative ideas

RECOMMENDED TUTORS

find an online tutor