Historical data show that customers who download music from a popular Web service spend approximately $20 per month, with a standard deviation of $3.Assume the spending follows the normal probability distribution. Find the probability that a customer will spend at least $17 per month. How much (or more) dothe top 9% of customers spend?What is the probability that a customer will spend at least $17 per month?0.8413 (Round to four decimal places as needed.)How much do the top 9% of customers spend?(Round to the nearest cent as needed.)

The question is about normal probability distribution.Given :Population mean amount spend by a…

Answered: Historical data show that customers who…

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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Historical data show that customers who download music from a popular Web service spend approximately $22 per month, with a standard deviation of $3. Assume the spending follows the normal probability distribution. Find the probability that a customer will spend at least $18 per month. How much (or more) do the top 7% of customers spend?
Calculus The height of 700 boys are found to approximately follow such a distribution, with a mean height of 148 cm and a standard deviation of 19 cm. Find the number of boys with heights between 129 cm and 167 cm.
answer part b only. it is not 29.665
Historical data show that customers who download music from a popular Web service spend approximately $24 per month, with a standard deviation of $3. Assume the spending follows the normal probability distribution. Find the probability that a customer will spend at least $22 per month. How much (or more) do the top 10% of customers spend? What is the probability that a customer will spend at least $22 per month? (Round to four decimal places as needed.) Is Enter your answer in the answer box and then click Check Answer 1 part remaining Clear All Pearson n for anything [] F10 F6
correct answer please . I
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In a statistics exam an individuals score is normally distributed with a mean of 80 and a sample standard deviation of 8 points. Assume there are 30 individuals in the class. Calculate the probability the class average is less than 78. 58% 8.5% 21% 91.5% 42%
Historical data show that customers who download music from a popular Web service spend approximately $24 per month, with a standard deviation of $4. Assume the spending follows the normal probability distribution. Find the probability that a customer will spend at least $20 per month. How much (or more) do the top 7% of customers spend? What is the probability that a customer will spend at least $20 per month?
find the standard deviation of this probability distribution. give your answer to 2 decimal places. x 0,1,2,3 p(x) 0.15,0.3,0.05,0.5
Font Paragraph %3. 9. 10 11 12 Battery Life For values of battery life between 7.5 and 10 hours, the density is 0.4. For all other values of battery life, the density is 0. 1. In the figure above, indicate the probability that a randomly selected iPhone 11 has a battery life between 9 and 10 hours. What is the value of this probability?
Historical data show that customers who download music from a popular Web service spend approximately $22 per month, with a standard deviation of $3. Assume the spending follows the normal probability distribution. Find the probability that a customer will spend at least $19 per month. How much (or more) do the top 9% of customers spend? What is the probability that a customer will spend at least $19 per month? (Round to four decimal places as needed.) How much do the top 9% of customers spend? (Round to the nearest cent as needed.)

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