47If the mean of a test score is 30 and the standard deviation is 3.7, which score could beexpected to occur less than 5% of the time? *33.8223525

Answered: Image /qna-images/answer/4a909c07-9999-44c3-bd0a-6a553f21792b.jpg

Answered: 47 If the mean of a test score is 30…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Similar questions

n a very large class, exam scores are normally distributed with a mean of 70 and a standard deviation of 3, what proportion of the people in the class scored more than 1 standard deviation above the mean? (Give your answer to at least 3 places past the decimal point)
What type of problem is this what is the formula to solve it? The average American consumer in 2018 spent $7,923 on food and drink. Assume the amount spent is normally distributed and that the standard deviation is $1,592. What percentage of Americans in 2018 spent more than $9,000 on food and drink? Enter your answer as a number rounded to three decimal places, e.g. 0.951
21. Suppose that the weight of a particular hand weight is advertised to be 5 pounds, but it can actually be as little as 4.7 pounds or as much as 5.1 pounds. What is the standard deviation of the weight? Round your answer to two decimal places.
The mean per capital income is $24653 per annuum what they or anyone with a standard deviation of $778 per annuum. What is the probability that the sample mean would be less than $24745 if a sample of 441 persons is randomly selected? Round your answer to 4 decimal places
Given that the mean score is 80 and the standard deviation is 6. What z-score corresponds to the score of 76? -1.67 1.67 0.67 -0.67 2000
The mean points obtained in an aptitude examination is 167 points with a standard deviation of 20 points. What is the probability that the mean of the sample would differ from the population mean by less than 3.8 points if 76 exams are sampled? Round your answer to four decimal places.
コ, ● Question 17 A distribution of values is normal with a mean of 139.3 and a standard deviation of 37.8. Find P. which is the score separating the bottom 64% from the top 36%. 64 PeA Enter your answer as a number accurate to 1 decimal place. Answers obtained using exact z or z-scores rounded to 3 decimal places are accepted.
Assume that in a given year the mean mathematics SAT score was 495, and the standard deviation 111. A sample of 61 score is chosen. ANSWER ALL QUESTIONS PLEASE SHOW WORK A.What is the probability that same mean score is less than 484? B. The probability that the sample mean score is between 460 and 500 is? C. The 10th percentile of the sample mean is D. Would it be unusual if the sample mean were greater than 520? And what is the probability? E. Do you think it would be unusual for an individual to get a score greater than 520? What is the probability
45 One thousand students took a test resulting in a normal distribution of the scores with a mean of 80 and a standard deviation of 5. Approximately how many students scored between 75 and 85? * 950 815 O 680 475 O O O
You are testing the claim that the mean GPA of night students is different than the mean GPA of day students. You sample 60 night students, and the sample mean GPA is 2.63 with a standard deviation of 0.56 You sample 45 day students, and the sample mean GPA is 2.62 with a standard deviation of 0.98 Calculate the test statistic, rounded to 2 decimal places
A researcher measures the time (in seconds) it takes a sample of 26 participants to respond to a stimulus presented on a computer screen. The standard deviation for response times is 6. What is the value for SS? 36 150 900 There is not enough information to answer this question.
Scores derived from a patient satisfaction survey are Normally distributed with standard deviation 6.0, with high scores indicating high satisfaction. You collect a sample of n = 36 from a hospital in Reno and you find a sample mean of 28.0. You want to test if the mean score in the Hospital is different than 30. What is the alternative hypothesis of the test (in words)? Group of answer choices The mean is equal to 30 The mean is different than 30 The mean is less than 30 The mean is greater than 30

Recommended textbooks for you

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

SEE MORE TEXTBOOKS

47 If the mean of a test score is 30 and the standard deviation is 3.7, which score could be expected to occur less than 5% of the time? * 33.8 22 35 25 O O