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ty that a randomly selected time interval is longer than 107 minutes is approximately rdecimal places as needed.) the probability that a random sample of 11 time intervals between eruptions has a mean longer than 107 minutes? ty that the mean of a random sample of 11 time intervals is more than 107 minutes is approximately aur decimal places as needed.) the probability that a random sample of 29 time intervals between eruptions has a mean longer than 107 minutes? ity that the mean of a random sample of 29 time intervals is more than 107 minutes is approximately ur decimal places as needed.) sect does increasing the sample size have on the probability? Provide an explanation for this result. Fill in the blanks below. ation mean is less than 107 minutes, then the probability that the sample mean of the time between eruptions is greater than 107 minutes ght you conclude if a random sample of 29 time intervals between eruptions has a mean longer than 107 minutes? Select all that apply population mean is 99, and this is just a rare sampling. population mean cannot be 99, since the probability is so low population mean must be more than 99, since the probability is so low population mean may be less than 99. population mean is 99, and this is an example of a typical sampling result because the variability in the sample mea

ty that a randomly selected time interval is longer than 107 minutes is approximately rdecimal places as needed.) the probability that a random sample of 11 time intervals between eruptions has a mean longer than 107 minutes? ty that the mean of a random sample of 11 time intervals is more than 107 minutes is approximately aur decimal places as needed.) the probability that a random sample of 29 time intervals between eruptions has a mean longer than 107 minutes? ity that the mean of a random sample of 29 time intervals is more than 107 minutes is approximately ur decimal places as needed.) sect does increasing the sample size have on the probability? Provide an explanation for this result. Fill in the blanks below. ation mean is less than 107 minutes, then the probability that the sample mean of the time between eruptions is greater than 107 minutes ght you conclude if a random sample of 29 time intervals between eruptions has a mean longer than 107 minutes? Select all that apply population mean is 99, and this is just a rare sampling. population mean cannot be 99, since the probability is so low population mean must be more than 99, since the probability is so low population mean may be less than 99. population mean is 99, and this is an example of a typical sampling result because the variability in the sample mea

MATLAB: An Introduction with Applications
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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### Understanding Probability and Sample Means in Normally Distributed Data Suppose a geyser has a mean time between eruptions of 99 minutes. Let the interval of time between eruptions be normally distributed with a standard deviation of 19 minutes. Complete parts (a) through (e) below: #### (a) Probability of a Single Interval *What is the probability that a randomly selected time interval between eruptions is longer than 107 minutes?* ```text The probability that a randomly selected time interval is longer than 107 minutes is approximately [ ]. (Round to four decimal places as needed.) ``` #### (b) Probability for a Sample of 11 Intervals *What is the probability that a random sample of 11 time intervals between eruptions has a mean longer than 107 minutes?* ```text The probability that the mean of a random sample of 11 time intervals is more than 107 minutes is approximately [ ]. (Round to four decimal places as needed.) ``` #### (c) Probability for a Sample of 29 Intervals *What is the probability that a random sample of 29 time intervals between eruptions has a mean longer than 107 minutes?* ```text The probability that the mean of a random sample of 29 time intervals is more than 107 minutes is approximately [ ]. (Round to four decimal places as needed.) ``` #### (d) Effect of Increasing Sample Size *What effect does increasing the sample size have on the probability? Provide an explanation for this result. Fill in the blanks below.* ```text If the population mean is less than 107 minutes, then the probability that the sample mean of the time between eruptions is greater than 107 minutes [ ] because the variability in the sample mean [ ] as the sample size [ ]. ``` #### (e) Interpretation of the Population Mean *Which of the following is the probability of 29 time intervals between eruptions having a mean longer than 107 minutes? Select all that apply.* - A. The population mean is 99, and this is just a rare sampling. - B. The population mean cannot be 99, since the probability is so low. - C. The population mean must be more than 99, since the probability is so low. - D. The population mean may be less than 99. - E. The population mean is 99, and this is an example of a
Transcribed Image Text:### Understanding Probability and Sample Means in Normally Distributed Data Suppose a geyser has a mean time between eruptions of 99 minutes. Let the interval of time between eruptions be normally distributed with a standard deviation of 19 minutes. Complete parts (a) through (e) below: #### (a) Probability of a Single Interval *What is the probability that a randomly selected time interval between eruptions is longer than 107 minutes?* ```text The probability that a randomly selected time interval is longer than 107 minutes is approximately [ ]. (Round to four decimal places as needed.) ``` #### (b) Probability for a Sample of 11 Intervals *What is the probability that a random sample of 11 time intervals between eruptions has a mean longer than 107 minutes?* ```text The probability that the mean of a random sample of 11 time intervals is more than 107 minutes is approximately [ ]. (Round to four decimal places as needed.) ``` #### (c) Probability for a Sample of 29 Intervals *What is the probability that a random sample of 29 time intervals between eruptions has a mean longer than 107 minutes?* ```text The probability that the mean of a random sample of 29 time intervals is more than 107 minutes is approximately [ ]. (Round to four decimal places as needed.) ``` #### (d) Effect of Increasing Sample Size *What effect does increasing the sample size have on the probability? Provide an explanation for this result. Fill in the blanks below.* ```text If the population mean is less than 107 minutes, then the probability that the sample mean of the time between eruptions is greater than 107 minutes [ ] because the variability in the sample mean [ ] as the sample size [ ]. ``` #### (e) Interpretation of the Population Mean *Which of the following is the probability of 29 time intervals between eruptions having a mean longer than 107 minutes? Select all that apply.* - A. The population mean is 99, and this is just a rare sampling. - B. The population mean cannot be 99, since the probability is so low. - C. The population mean must be more than 99, since the probability is so low. - D. The population mean may be less than 99. - E. The population mean is 99, and this is an example of a
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