What is the probability that at least one of the, Ask an Expert

Statistics

Assume that in the 2500 business accunts of a bank, 125 have been fraudulently altered. The alterations are sufficiently subtle that only a detailed audit can uncover them. Fifty business accounts are chosen at random for detailed auditing.

A) What is the probability that at least one of the alterations is discovered?
B) find the expected value and variance of the number of altered accounts discovered during the audit.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9118789

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

A researcher is planning to a silvicultural study using 3

A researcher is planning to a silvicultural study using 3 different fertilizers on 3 adjacent plots. How many ways can the 3 plots be arranged if there are 18 fertilizers to choose from?

What is the appropriate statistical analysis to use t-test

What is the appropriate statistical analysis to use: t-test for two independent samples, t-test for dependent samples, ANOVA, or chi-square test of independence? Please identify and explain why it is appropriate. (a) A s ...

In families with four children youre interested in the

In families with four children, you're interested in the probabilities for the different possible numbers of girls in a family. Using theoretical probability (assume girls and boys are equally likely), compile a five-col ...

According to the national health interview survey 47 of us

According to the national health interview survey, 4.7% of U.S adults 50 and older have had a total knee replacement. A random sample of 20 adults 50 and older has been selected. Use the Poisson distribution to approxima ...

Please help me solve thisuse a normal approximation to find

Please help me solve this. Use a normal approximation to find the probability of the indicated number of voters. In this? case, assume that 157 eligible voters aged? 18-24 are randomly selected. Suppose a previous study ...

What does the real world evidence say about the law of one

What does the real world evidence say about the law of one price?

A research a research institute conduct the clinical trials

A research a research institute conduct the clinical trials of a method designed to increase the probability of conceiving a boy. Amount 170 to babies born to parents using the method. 146 for boys. Identify the margin o ...

You want to you want to estimate the mean weight of

You want to you want to estimate the mean weight of quarters in circulation. A sample of 30 quarters has a mean weight of 5.649 grams in a standard deviation of 0.066 gram. Use a single value to estimate the mean weight ...

Your supervisor comes to you and says she would like a

Your supervisor comes to you and says she would like a marketing research study. She says there is a budget of $30,000. She would like to conduct a simple random sample of consumers interested in using the services of th ...

Suppose that the height x in inches of a 20 year old man is

Suppose that the height (x), in inches of a 20 year old man is a normal random variable with a mean of 70 inches and standard deviation of 5.102 inches. What is the 97.5th percentile of all 20 year old men's heights?

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert