MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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The time spent waiting in the line is approximately normally distributed. The mean waiting time is 7 minutes and the standard deviation of the waiting time is 2 minutes. Find the probability that a person will wait for less than 8 minutes. Round your answer to four decimal places.
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- A final exam in Seaturtle Research Studies has a mean of 78 and a standard deviation of 3. If 36 students are randomly selected, find the probability that the mean of their test scores less than 79. P(x < 79) = P(z < (Enter your answer as a percent accurate to 1 decimal place, do not enter the "%" sign). Shade: ( Left of a value 9. Click and drag the arrows to adjust the values. -4 -3 -2 -1 2 3 4 -1.5arrow_forwardAssume that adults have IQ scores that are normally distributed with a mean of μ = 105 and a standard deviation o=15. Find the probability that a randomly selected adult has an IQ between 89 and 121. Click to view page 1 of the table. Click to view page 2 of the table. The probability that a randomly selected adult has an IQ between 89 and 121 is (Type an integer or decimal rounded to four decimal places as needed.)arrow_forwardHelp pleasearrow_forward
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