Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Statistics and Probability Expert

Now assume the distribution of SAT scores is normal with mean of µ = 500 and standard deviation σ is unknown. If the mean SAT score is computed from sample of n = 100 students from this population, and the standard deviation of those students' scores is s = 125.

A. What range of values must contain sample mean 95% of the time?

B. What range of values should contain sample mean 99% of the time 

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M916706

Have any Question?


Related Questions in Statistics and Probability

A fair die is rolled 36 times what is the standard

A fair die is rolled 36 times. What is the standard deviation of the even number (2, 4, or 6) outcomes?

1 the consultants estimated the required rate of return was

1. The consultants estimated the required rate of return was 13.635% 2. The Beta of Poorside's equity was 0.7, the market return was 20% and the risk-free rate was 12% 3. The interest rate on debentures was 13% per annum ...

A jar of peanut butter contains 451 grams with a standard

A jar of peanut butter contains 451 grams with a standard deviation of 10.6 grams. Assuming a normal distribution, find the probability that a jar contains less than 448 grams.

How can a graph or chart of data help you understand the

How can a graph or chart of data help you understand the results? What is a frequency table? Describe an example where a frequency table can be used in life.

For the following two questions please determine the

For the following two questions, please, determine the correct hypothesis test, state the null and research hypotheses in words and in symbols, then conduct the hypothesis test, and report the results in writing. 1. A re ...

A population has a mean of 400 and a standard deviation of

A population has a mean of 400 and a standard deviation of 50. Suppose a sample of size 125 is selected and is used to estimate . Use z-table. 1) What is the probability that the sample mean will be within +/- 6 of the p ...

What is the sample size for studies with moe of -35 and -28

What is the sample size for studies with MOE of +/-3.5% and +/-2.8%, with a confidence level of 95%, sample statistics of 50. Suppose the category population was 7500 (less than 10,000)? Remember the FPC. What would be t ...

Assume that 8 of people have ab blood a hospital blood bank

Assume that 8% of people have AB blood. A hospital blood bank needs ABblood so the blood bank begins checking potential donors. Use this Excel file geometric probabilities (enable the macro after opening the file) or thi ...

In a panel discussion with 3 industry reps 2 government

In a panel discussion with 3 industry reps, 2 government reps, and 1 association rep, how many ways can they be seated along a row a) With no restrictions (each person can sit anywhere)? b) If the 3 industry reps must si ...

Across the nine cities in multilevel multivariate analysis

Across the nine cities, in multilevel, multivariate analysis, controlling for income inequality (GINI coefficient), percent living in poverty and percent Non-Hispanic Black population, the ZIP code level overall HIV diag ...

  • 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

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As