Newest Statistics And Probability Questions

Statistics And Probability

02/17/22

: A Production manager is interested in knowing if employees are effective if they work a shorter work week

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Statistics And Probability Math

06/09/21

A tobacco company claims that its best-selling cigarettes contain at most 40 mg of nicotine.

This claim is tested at the 1% significance level by using the results of 15 randomly selected cigarettes. The mean is 42.6 mg and the standard deviation is 3.7 mg. Evidence suggests that nicotine... more

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Statistics And Probability Statistics Probability Stats

06/07/21

In a one-tailed test, in which critical value listed below will the computed z of 2.313 fall in the acceptance region?

In a one-tailed test, in which critical value listed below will the computed z of 2.313 fall in the acceptance region?A. No answerB. 2.365C. 2.228D. 1.383E. 1.533

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Statistics And Probability Math

05/03/21

In a parent teacher association, there are 3 male parents and 6 female parents. As per their decision, they want to have a five member committee. Find the mean representing the male parents.

helppp me how to solve this, i don't get it

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Statistics And Probability Statistics Probability

04/26/21

Find the critical value of Students t for each hypothesis test.

Find the critical value of Students t for each hypothesis test.1. 10 percent level of significant, two-tailed test, n=212. 1 percent level of significant, right-tailed test, n=93. 5 percent level... more

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Statistics And Probability

03/01/21

Explain why it’s not appropriate to calculate a median for bimodal data.

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Statistics And Probability Statistics T Test Independent sample t Test

02/25/21

Independent Sample T-Test

"A Statistics teacher wants to compare her two classes to see if they performed any differently on the test she gave that semester. Class A had 25 students with an average score of 70, standard... more

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Statistics And Probability Math Statistics Porbability

02/23/21

A bag contains 12 balls

A bag contains 12 balls, 8 red and 4 blue. You reach in the bag and pick 3 balls at random (without replacement). What is the probability that at least 2 of the balls will be blue? Round off... more

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Statistics And Probability Math Statistics Probability

10/20/20

How do I get the mean/average with the given standard deviation 7ml and percentile which is 10%?

In the word promblem, it stated that a machine was set so that 10% of a 370ml can can contain less that 356ml.I'm not good with word problems and I'm confused which is which.

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Statistics And Probability

11/07/19

Two balls are picked at random from an urn containing 5 red balls and 6 blue balls (without replacement). (a) What is the probability that the balls are the same color? (b) What is the probability at

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Statistics And Probability

11/05/19

Find the sample space. Then find the indicayed probability (dunno what indicated probability is).

Alana tosses 2 nimber cubes (dice). She wins if she rolls double sixes. Find P(Alana wins).

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Statistics And Probability Statistics Probability

09/18/19

The probability is approximately

What is the probability that a random sample of n=35 oil changes results in a sample mean time less than 20 minutes? The probability is approximately

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Statistics And Probability Statistics Probability

08/19/19

If there are two separate genetic traits that are each shared by 1% of all people, what is the probability someone will have both genetic traits?

Your answer may solve a 150 year old mystery.

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