(d) In the sample obtained in part (a), what is the probability that the proportion who are satisfied with the way things aregoing in their life exceeds 0.91?The probability that the proportion who are satisfied with the way things are going in their life exceeds 0.91 is(Round to four decimal places as needed.)(e) Using the distribution from part (c), would it be unusual for a survey of 100 people to reveal that 81 or fewer people inthe sample are satisfied with their lives?The probability that 81 or fewer people in the sample are satisfied isless than%.(Round to four decimal places as needed.)whichunusual because this probability

Answered: Image /qna-images/answer/20b85773-b7f8-44c5-9705-54676dfc4f57.jpg

Answered: (d) In the sample obtained in part (a),…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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After conducting a literacy test on inmates, the evaluator realizes that the test was much more difficult than expected. The shape of the distribution would be? (normal, positively skewed, negatively skewed, or bell-shaped?) How do I recognize which one it is?
Based on historical data, your manager believes that 25% of the company's orders come from first-time customers. A random sample of 133 orders will be used to estimate the proportion of first-time-customers. What is the probability that the sample proportion is less than 0.32?Answer = (Enter your answer as a number accurate to 4 decimal places.)
A researcher selects a sample of 6 men and 11 women. She asks participants to rate the likelihood they would do female-stereotyped jobs (such as nursing or school teaching) on a scale from 1 = not likely at all to 5 = very likely. Men indicated that they would be less likely to do these jobs (M = 2.1) compared with women (M = 4.3). What is the weighted mean for the combined sample of 17 total participants? O O 2.1 4.3 3.2 3.5
In 1995, the median price of a PC was $1200. Suppose that a random sample of100 persons who bought their PCs during that year recorded the amount spent (byeach of them) on his/her PC. State the approximate sampling distribution of ˆp, theproportion of persons who spent more than $1200 on a PC. Find the probabilitythat more than 60% of this group spent more than $1200. NOTE: Please explain each part, so the problem can be used as a Study Guide
The president of Doerman Distributors, Inc. believes that 30% of the firm's orders come from first-time customers. A random sample of 100 orders will be used to estimate the proportion of first-time customers. What is the probability that the sample proportion will be within .05?
Based on historical data, your manager believes that 29% of the company's orders come from first-time customers. A random sample of 147 orders will be used to estimate the proportion of first-time-customers. What is the probability that the sample proportion is less than 0.33?Answer = (Enter your answer as a number accurate to 4 decimal places.)
The figure below represents the data from Table 3.6 in the book. It summarizes the lengths of hospital stays (days) for a sample 25 patients. Duration of hospitalization (days) 6. 1. 01-05 06-10 11-15 16-20 >20 What is the probability that someone stayed in the hospital at most 10 days? None of these choices are correct.
Do you think new package labeling or doing nothing is best? You will want to calculate the percent of bars produced that are within 5 grams of 1000 grams and the percent of bars produced that are within 5 grams of 990 grams. In other words, given a uniform distribution between 980 and 1000, what is the probability of being between 995 and 1005 and what is the probability of being between 985 and 995?
Based on historical data, your manager believes that 29% of the company's orders come from first-time customers. A random sample of 151 orders will be used to estimate the proportion of first-time-customers. What is the probability that the sample proportion is less than 0.33?Answer = (Enter your answer as a number accurate to 4 decimal places.)
A direct mail company wishes to estimate the proportion of people on a large mailing list that will purchase a product. Suppose the true proportion is 0.07. If 497 are sampled, what is the probability that the sample proportion will be greater than 0.05? Round your answer to four decimal places.
A direct mail company wishes to estimate the proportion of people on a large mailing list that will purchase a product. Suppose the true proportion is 0.07. If 343 are sampled, what is the probability that the sample proportion will be less than 0.11? Round your answer to four decimal places.

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