Sale amounts during lunch hour at a local subway are normally distributed, with a mean $7.56, and a standard deviation of $1.92. a. Find the probability that a randomly selected sale was at least $9.42? Round answer to 4 decimal places. b. A particular sale was $11.14. What is the percentile rank for this sale amount? Round answer to the nearest percentage. [hint: round proportion to two decimal places then convert to percent.] c. Give the sale amount that is the cutoff for the highest 40 % Round answer to 2 decimal places. P d. What is the probability that a randomly selected sale is between $5.00 and $10.00? Round answer to 4 decimal places. e. What sale amount represents the cutoff for the middle 39 percent of sales? Round answers to 2 decimal places. (The smaller number here) (Bigger number here) Submit Question
Sale amounts during lunch hour at a local subway are normally distributed, with a mean $7.56, and a standard deviation of $1.92. a. Find the probability that a randomly selected sale was at least $9.42? Round answer to 4 decimal places. b. A particular sale was $11.14. What is the percentile rank for this sale amount? Round answer to the nearest percentage. [hint: round proportion to two decimal places then convert to percent.] c. Give the sale amount that is the cutoff for the highest 40 % Round answer to 2 decimal places. P d. What is the probability that a randomly selected sale is between $5.00 and $10.00? Round answer to 4 decimal places. e. What sale amount represents the cutoff for the middle 39 percent of sales? Round answers to 2 decimal places. (The smaller number here) (Bigger number here) Submit Question
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Q8
![S
es
Sale amounts during lunch hour at a local subway are normally distributed, with a mean $7.56, and a
standard deviation of $1.92.
a. Find the probability that a randomly selected sale was at least $9.42? Round answer to 4 decimal places.
b. A particular sale was $11.14. What is the percentile rank for this sale amount? Round answer to the
nearest percentage. [hint: round proportion to two decimal places then convert to percent.]
c. Give the sale amount that is the cutoff for the highest 40 %? Round answer to 2 decimal places.
d. What is the probability that a randomly selected sale is between $5.00 and $10.00? Round answer to 4
decimal places.
e. What sale amount represents the cutoff for the middle 39 percent of sales? Round answers to 2 decimal
places.
(The smaller number here)
(Bigger number
here)
Submit Question
W
Q
• (0)
D
6:29 PM
6/30/2022](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7d6835b2-0bba-4504-a99c-7d4e3ec6439e%2Fca609e88-947e-4432-9765-f9540ba83ab3%2Fz2w4pu_processed.jpeg&w=3840&q=75)
Transcribed Image Text:S
es
Sale amounts during lunch hour at a local subway are normally distributed, with a mean $7.56, and a
standard deviation of $1.92.
a. Find the probability that a randomly selected sale was at least $9.42? Round answer to 4 decimal places.
b. A particular sale was $11.14. What is the percentile rank for this sale amount? Round answer to the
nearest percentage. [hint: round proportion to two decimal places then convert to percent.]
c. Give the sale amount that is the cutoff for the highest 40 %? Round answer to 2 decimal places.
d. What is the probability that a randomly selected sale is between $5.00 and $10.00? Round answer to 4
decimal places.
e. What sale amount represents the cutoff for the middle 39 percent of sales? Round answers to 2 decimal
places.
(The smaller number here)
(Bigger number
here)
Submit Question
W
Q
• (0)
D
6:29 PM
6/30/2022
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