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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

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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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
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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