Computing probability of purchases

Reference no: EM1399878

Historically, 70% of your customers at Rodale Emporium pay for their purchases using credit cars. In a sample of 20 customers, find the probability that

a. Exactly 14 customers will pay for their purchases using credit cards.

b. At least 10 customers will pay for their purchases using credit cards.

c. At most 12 customers will pay for their purchases using credit cards.

Reference no: EM1399878

Questions Cloud

Question about supply chain management : To construct an electricity generating unit, a company has to install 60 items. One team takes on an average 30 days to install one item.

Determining probability of prescription orders : Pharmacies continually monitor their prescription filling process. A local pharmacy has noted that the time to fill a prescription for a generic antibiotic is normally distributed, with a mean of 13.3 minutes and a standard deviation of 2.8 minute..

Demonstrate the comparative effect of uv : The purpose of this exercise is to demonstrate the comparative effect of UV on three bacterial populations. This could have been accomplished without a cardboard or plastic cover. Why was the cover used.

Calculate productivity in terms of revenue per dollar : A property title search firm is contemplating using online software to increase its search productivity. Currently an average of 55 minutes is needed to do a title search.

Computing probability of purchases : Historically, 70% of your customers at Rodale Emporium pay for their purchases using credit cars. In a sample of 20 customers, find the probability that

Discrete probability and discrete data : A discrete probability is the likelihood that certain discrete data will occur. What is discrete data? Consider a scenario where you could use a discrete probability to predict the likelihood of an event.

Compute the workstation cycle time : Some tasks and the order in which they must be performed according to their assembly requirements are shown in the following table. These are to be combined into workstations to create an assembly line.

What chromosome is affected : Why is it necessary to reduce the chromosome number of gametes, but not other cells of an organism?

How far apart are genes a and b : A cross is made between individuals of genotypes AA : bb x aa : BB. The F1s are then testcrossed. The following data is obtained.

User Account

All Pages