The serial number on a dollar bill consists of a letter, followed by eight digits and then a letter. How many different serial numbers are possible if:a) letters and digitsÂ cannotÂ be repeated:Â b) letters and digitsÂ canÂ be repeated

# Category Archives: / Statistics

## A committee of five is going to be selected from a group of twenty people.a) How

A committee of five is going to be selected from a group of twenty people.a) How many different committees are possible if there is no distinction between the responsibilities of the five members?Answerb) How many different committees are possible if one person is the chair, and the rest are general members?

## Chapter :Sampling distribution Ans DCould you explain me the answer in detail wi

Chapter :Sampling distribution Ans DCould you explain me the answer in detail with workings.

## Â Â Â Â Â A humane society claims that less than 35% of U.S households owns a dog. I

Â Â Â Â Â A humane society claims that less than 35% of U.S households owns a dog. In a random sample of 409 U.S households, 154 say they own a dog. At alpha =0.10, is there enough evidence to support the societyâ€™s claim?

## Please I need help question 13 chapter 9 problem solve

Please I need help question 13 chapter 9 problem solve

## Please I would like to help question 1 chapter 9 problem solve thanks!

Please I would like to help question 1 chapter 9 problem solve thanks!

## Could you explain why those choice are the right answers and other ones are wron

Could you explain why those choice are the right answers and other ones are wrong?

## A tire manufacturer believes the tread life of its snow tires can be described b

A tire manufacturer believes the tread life of its snow tires can be described by a normal distribution with a mean of 32,000 miles and a standard deviation of 7000 miles. Find the probability (rounding to tenth of percent) that a randomly selected tire will have a tread life: a. of at least 40,000 milesb. […]

## ay we have a sample of 123 cases, with a mean of 46.886 and a standard deviation

ay we have a sample of 123 cases, with a mean of 46.886 and a standard deviation of 10.68. We want to test whether our sample mean is different than the population mean of 42. What is your test statistic?6.0315.6765.4775.074

## Healthcare statistics – HIT 200…..I cannot figure out how to use the table on

Healthcare statistics – HIT 200…..I cannot figure out how to use the table on this assignment. It is the final for my healthcare statistics class and I know how to calculate the answers, but I can’t figure out what data I need for each of the formulas. Please help! I am on a deadline of […]