A certain population has a mean of 479 and a standard, Ask an Expert

Statistics

A certain population has a mean of 479 and a standard deviation of 33. Many samples of size 42 are randomly selected and the means find outd.

(a) What value would you expect to find for the mean of all these sample means? (Give your answer correct to nearest whole number.)

(b) What value would you expect to find for the standard deviation of all these sample means? (Give your answer correct to two decimal places.)

(c) What shape would you expect the distribution of all these sample means to have?
skewed right
approximately
normal
skewed left uniform

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9107613

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Honda is the manufacturer of 4 of the top 9 vehicles in

Honda is the manufacturer of 4 of the top 9 vehicles in terms of fuel economy. - Determine the probability distribution for the number of Hondas in a sample of 3 cars chosen from the top 9? - What is the likelihood that ...

Provide an example of population parameter sample and

Provide an example of population, parameter, sample, and census in a business research project. Why is it important to define the population clearly and precisely in a business research project?

A hypothetical population consists of eight individuals

A hypothetical population consists of eight individuals ages 13, 15, 17, 21, 22, 23, 26, and 30 years. (Enter your answers to three decimal places.) (a) What is the probability that a person in this population is a teena ...

The table below shows the results of a survey in which

The table below shows the results of a survey in which 2556 adults from Country? A, 1107 adults from Country? B, and 1060 adults from Country C were asked if human activity contributes to global warming. Complete parts? ...

Should you perform a log transformation on a categorical

Should you perform a log transformation on a categorical (nominal) variable, or can you only do that for continuous variables?

Assignment -in this assignment ms excel must be used to

Assignment - In this assignment MS Excel must be used to perform any calculations/graphical presentations as required in this assignment. Question 1 - Below you are given the examination scores of 20 students (data set a ...

Based on labornbspstatisticsnbsp12 nbspof workers in a

Based on labor? statistics, 12 % of workers in a particular profession are male. Complete parts a through e below based on a random sample of 8 workers in this profession. a. What is the probability that exactly one wor ...

Assume that a firm could borrow 100 billion dollars the

Assume that a firm could borrow 100 billion dollars. The most straightforward value from the leveraged recapitalization that people would estimate is the present value of interest tax shield. Assume the cost of debt is 0 ...

Data are collected on the relationship between the number

Data are collected on the relationship between the number of hours per week practicing a musical instrument and scores on a math test. The line of best fit is as follows: y = 72.5 + 2.8x. What would you predict the score ...

Average sales for an online textbook distributor were 7467

Average sales for an online textbook distributor were $74.67 per customer per purchase. Assume the sales are normally distributed. If the standard deviation of the amount spent on a textbooks is $9.49, find these probabi ...

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