distribution topurchase amount

Project Description:

a popular retail store knows that the distribution of purchase amounts by its customers is approximately normal with a mean of \$30 and a standard deviation of \$9. below you will find probability and percentile calculations related to the customer purchase amounts. a. what is the probability that a randomly selected customer will spend less than \$15 at this store? b. what is the probability that a randomly selected customer will spend \$20 or more at this store? c. what is the probability that a randomly selected customer will spend \$30 or more at this store? d. what is the probability that a randomly selected customer will spend between \$20 and \$35 at this store? e. what two dollar amounts, equidistant from the mean of \$30, such that 90% of all customer purchases are between these values? f. what two dollar amounts, equidistant from the mean of \$30, such that 98% of all customer purchases are between these values?
Skills Required:
Project Stats:

Price Type: Negotiable

Expired
Total Proposals: 5
1 Current viewersl
28 Total views
Project posted by:

Proposals

Proposals Reputation Price offered
• 4.7
28 Jobs 15 Reviews
\$0 in 0 Day
• 4.9
183 Jobs 101 Reviews
\$0 in 0 Day
• 5.0
44 Jobs 43 Reviews
\$0 in 0 Day