Help me fast so that I will give good rating. At a local coffee shop, wait times for a cup of plain coffee are normallydistributed with a mean of 90 seconds and a standard deviation of 15seconds.a. What is the z-score of an 84-second wait time for a cup of plain coffee?Round your result to one decimal place.b. What percentile is associated with the z-score you calculated in part a?Round your answer to one decimal place.Percentile:Interpret the percentile in a way that is specific to coffee wait times.O 34.5% of wait times are 15 seconds away from 90 seconds.O 34.5% of wait times are less than 84 seconds.O 34.5% of wait times are longer than 84 seconds.O 34.5% of wait times are between 84 and 90 seconds. At the conclusion of training, all factory workers are timed as they completea task. The completion times for the task are normally distributed.Suppose a worker's completion time is 0.6 standard deviations above themean. What is the worker's percentile score? Round your result to onedecimal place.%

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At a local coffee shop, wait times for a cup of plain coffee are normally distributed with a mean of 90 seconds and a standard deviation of 15 seconds. a. What is the z-score of an 84-second wait time for a cup of plain coffee? Round your result to one decimal place. b. What percentile is associated with the z-score you calculated in part a? Round your answer to one decimal place. Percentile: % Interpret the percentile in a way that is specific to coffee wait times. 34.5% of wait times are 15 seconds away from 90 seconds. O 34.5% of wait times are less than 84 seconds. O 34.5% of wait times are longer than 84 seconds. O 34.5% of wait times are between 84 and 90 seconds.

At a local coffee shop, wait times for a cup of plain coffee are normally distributed with a mean of 90 seconds and a standard deviation of 15 seconds. a. What is the z-score of an 84-second wait time for a cup of plain coffee? Round your result to one decimal place. b. What percentile is associated with the z-score you calculated in part a? Round your answer to one decimal place. Percentile: % Interpret the percentile in a way that is specific to coffee wait times. 34.5% of wait times are 15 seconds away from 90 seconds. O 34.5% of wait times are less than 84 seconds. O 34.5% of wait times are longer than 84 seconds. O 34.5% of wait times are between 84 and 90 seconds.

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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Question

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Help me fast so that I will give good rating.

At a local coffee shop, wait times for a cup of plain coffee are normally
distributed with a mean of 90 seconds and a standard deviation of 15
seconds.
a. What is the z-score of an 84-second wait time for a cup of plain coffee?
Round your result to one decimal place.
b. What percentile is associated with the z-score you calculated in part a?
Round your answer to one decimal place.
Percentile:
Interpret the percentile in a way that is specific to coffee wait times.
O 34.5% of wait times are 15 seconds away from 90 seconds.
O 34.5% of wait times are less than 84 seconds.
O 34.5% of wait times are longer than 84 seconds.
O 34.5% of wait times are between 84 and 90 seconds.

At the conclusion of training, all factory workers are timed as they complete
a task. The completion times for the task are normally distributed.
Suppose a worker's completion time is 0.6 standard deviations above the
mean. What is the worker's percentile score? Round your result to one
decimal place.
%

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