Central Limit Theorem for Sums or Totals of SamplesThe average amount ofdeviation of $1.8300. 16 customers are randomly selected. Please answer the following questions, andround all answers to 4 decimal places where possible and assume a normal distribution.money that people spend at Don Mcalds fast food place is $7.4500 with a standarda. What is the distribution of X? X - N(b. What is the distribution of x? a - N(c. What is the distribution of > x? ) x - N(d. What is the probability that one randomly selected customer will spend more than $7.4338?e. For the 16 customers, find the probability that their average spent is more than $7.4338.f. Find the probability that the randomly selected 16 customers will spend less than $118.9408.g. For part e) and f), is the assumption of normal necessary? O YesO Noh. The owner of Don Mcalds gives a coupon for a free sundae to the 2% of all groups of 16 people whospend the most money. At least how much must a group of 16 spend in total to get the free sundae? $

Answered: The average amount of money that people…

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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Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed with a mean of 261 feet and a standard deviation of 39 feet. Let X be the distance in feet for a fly ball. a. What is the distribution of X? X ~ N(Correct,Correct) b. Find the probability that a randomly hit fly ball travels less than 302 feet. Round to 4 decimal places. c. Find the 75th percentile for the distribution of distance of fly balls. Round to 2 decimal places. feet
4. Which proportion of a normal distribution is located between the mean and z = +1.40? 5. A vertical line drawn through a normal distribution at z = +2.11 separates the distribution into two sections, the body and the tail. Which proportion of the distribution is in the tail?
need help please, thank you!
The average time to run the 5K fun run is 24 minutes and the standard deviation is 2.7 minutes. 16 runners are randomly selected to run the 5K fun run. Round all answers to 4 decimal places where possible and assume a normal distribution. a. What is the distribution of X? X N( b. What is the distribution of a? ¤ - N( c. What is the distribution of) x? ) x - N( d. If one randomly selected runner is timed, find the probability that this runner's time will be between 23.1875 and 23.9875 minutes.
The mean height of an adult giraffe is 19 feet. Suppose that the distribution is normally distributed with. standard deviation 0.9 feet. Let X be the height of a randomly selected adult giraffe. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - N( b. What is the median giraffe height? ft. c. What is the Z-score for a giraffe that is 20.5 foot tall? d. What is the probability that a randomly selected giraffe will be shorter than 18.8 feet tall? e. What is te probability that a randomly selected giraffe will be between 18.8 and 19.6 feet tall? f. The 70th percentile for the height of giraffes is ft.
Please only do that one that is incomplete
please answer parts d. e. and f.
Please part: d , e , f, g and h. Thanks
The average amount of money that people spend at Don Mcalds fast food place is $7.0500 with a standard deviation of $1.7600. 14 customers are randomly selected. Please answer the following questions, and round all answers to 4 decimal places where possible and assume a normal distribution. a. What is the distribution of X? X - N b. What is the distribution of ? - N c. What is the distribution ofΣ? - N( I d. What is the probability that one randomly selected customer will spend more than $7.6744? e. For the 14 customers, find the probability that their average spent is more than $7.6744. f. Find the probability that the randomly selected 14 customers will spend less than $107.4416. g. For part e) and f), is the assumption of normal necessary? Yes No h. The owner of Don Mcalds gives a coupon for a free sundae to the 2% of all groups of 14 people who spend the most money. At least how much must a group of 14 spend in total to get the free sundae? $
The average amount of money that people spend at Don Mcalds fast food place is $7.5500 with a standard deviation of $1.5100. 14 customers are randomly selected. Please answer the following questions, and round all answers to 4 decimal places where possible and assume a normal distribution. a. What is the distribution of X? X - N(| b. What is the distribution of x? a - N( c. What is the distribution of > x? ) x - N( d. What is the probability that one randomly selected customer will spend less than $7.7746? e. For the 14 customers, find the probability that their average spent is more than $7.7746. f. Find the probability that the randomly selected 14 customers will spend less than $108.8444. g. For part e) and f), is the assumption of normal necessary?O Yes h. The owner of Don Mcalds gives a coupon for a free sundae to the 4% of all groups of 14 people who spend the most money. At least how much must a group of 14 spend in total to get the free sundae? $ No
The average production cost for major movies is 58 million dollars and the standard deviation is 20 million dollars. Assume the production cost distribution is normal. Suppose that 48 randomly selected major movies are researched. Answer the foling questions. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X ~ N ---------, ------------- b. What is the distribution of x̄? x̄ ~ N -----------, ----------- c. For a single randomly selected movie, find the probability that this movie's production cost is between 57 and 60 million dollars. -------------- d. For the group of 48 movies, find the probability that the average production cost is between 57 and 60 million dollars. --------------- e. For part d), is the assumption of normal necessary? --------------------Yes, -------------No NOTE..........QUESTION (D) AND (E) NEEDS TO BE ANSWERED
Only h answer

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