1 if x is normally distributed with mean 500 and standard, Ask an Expert

Statistics

1. If X is normally distributed with mean 500 and standard deviation 20, find the probability that X will be above 555.

2. For a normally distributed random variable with mean -44 and standard deviation 16, find the probability that the value of the random variable will be above 0.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92180890

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Te number of accidents in a day in town a is given by x

The number of accidents in a day in town A is given by X , and the number of accidents in a day in town B is given by Y . The joint probability function for X and Y Y is f ( x , y )=964 x ! y ! for x =0,1,2,3 an ...

Write out the sample space for the possible genders of the

Write out the sample space for the possible genders of the children. (For example, BBG would be one possible outcome in the sample space.) Use the sample space to find the probability that the family has at least one gir ...

Before-tax cost of debt and after-tax cost of debt david

Before-tax cost of debt and after-tax cost of debt David Abbot is buying a new house, and he is taking out a 30-year mortgage. David will borrow $200,000 from a bank, and to repay the loan he will make 360 monthly paymen ...

John plans to take three suits on his business trip if john

John plans to take three suits on his business trip. If John owns 8 suits, how many ways can the 3 suits be selected?

A researcher wants to determine if lead levels are

A researcher wants to determine if lead levels are different between the top of a glass of water and the bottom of a glass of water. Many samples of water are taken. From half, the lead level at the top is measured and f ...

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?

Describe the steps you tooknbspthere are 652 males 396 say

Describe the steps you took. There are 652 males, 396 say they have been to dentist in past year. Give a confidence interval for 90% of the population proportion .

A recent study found that 64 of workers between the ages of

A recent study found that 64?% of workers between the ages of? 20-29 cash out their retirement accounts when they lose their jobs or move to a new employer. Complete parts a through e below based on a random sample of 14 ...

If the coefficient of determination is 0738 what percentage

If the coefficient of determination is 0.738, what percentage of the data about the regression line is unexplained?

Find a 95confidence interval for the population mean using

Find a 95%confidence interval for the population mean, using the formula or technology. Assuming that the population is normally distributed, construct a 95% confidence interval for the population mean, based on the foll ...

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