If you were to take a sample of 25 students what is the

Assignment Help Basic Statistics
Reference no: EM13578577

Facebook reports that the average number of Facebook friends worldwide is 175.5 with a standard deviation of 90.57. If you were to take a sample of 25 students, what is the probability that the mean number Facebook friends in the sample will be 190 friends or more?

Reference no: EM13578577

Questions Cloud

Each student report the number of cases they prepare weekly : a business student argues that an mba student is required to prepare more than five cases per week. a statistics
Determine the cash received from customers during the month : mac company engaged in the following transactions for the month of novembernovember 4 received a 6000 retainer from
Finnie companys management believes that every 5 increase : finnie companys management believes that every 5 increase in the selling price of one of the companys products results
Sales are collected 75 in the month of sale and 25 in the : ace inc shows a cash balance of 24000 on january 1 2008. the expected sales in units of its product by month for the
If you were to take a sample of 25 students what is the : facebook reports that the average number of facebook friends worldwide is 175.5 with a standard deviation of 90.57.
Suppose that y1 and y2 are random variables from population : question suppose that y1 and y2 are random variables from population with mean micro and variance sigma2. suppose we
The motorcoach will be traded for a limousine owned by : cuomo touring company owns a luxary motor coach it uses in long distance tours. the motor coach originaly cost the
Castle company produces throw blankets that are popular : castle company produces throw blankets that are popular holiday gifts. standard variable costs relating to a single
This measure of reproductive rate is normally distributed : a a conservationist is interested in knowing whether polar bears in the wild have lower rates of reproduction than

Reviews

Write a Review

Basic Statistics Questions & Answers

  Questions1 write introduction to spc statistical process

questions1 write introduction to spc statistical process control?2 explain the use of spc tools used at d2d?3 how could

  Measure of concerns about the environment.

Suppose the people living in a city have a mean score of 48 and a standard deviation score of 7 on a measure of concerns about the environment.

  Determining probability that bolt will be found defective

If only one bolt is chosen, determine the probability that it will be found defective for only 1 reason (that is. it is either too large or has poor workmanship, but not both.)

  Conditions to perform inference in regression

Conditions to perform inference in regression

  Estimate true proportion of covered by confidence interval

How large a sample is needed to estimate the true proportion of covered children with 90% confidence with a confidence interval of .05.

  Least squares regression line-correlation

Find an equation of the least squares regression line. Please show your work. Is there a linear correlation between "x" and "y" at the 0.01 significance level? Please justify your answer.

  Value of mean that maximizes the function of mean

We can think of this as the value of mew that maximizes f(y), the probability that our observed value of y occurs.

  Performing a chi-square test for independence

When performing a chi-square test for independence, explain how the "cell frequencies under the independence assumption" are calculated.

  Independent alternators to provide electrical power

A certain airplane has two independent alternators to provide electrical power. The probability that a given alternator will fail on a 1-hour flight is .02. What is the probability that (a) both will fail? (b) Neither will fail? (c) One or the oth..

  How many sets with reservations for coach seats are possible

How many different sets of exactly 20 of the 23 people with reservations for coach seats are possible? (do you use permutations or combinations?)

  F-ratios and treatment effects

Do you think an F-ratio of 1 would lead you to conclude that there is no treatment effect? Why? Justify your answers with examples.

  Probability-helpdesk will receive next call in ten minutes

Suppose no calls are currently being processed (either on hold or in progress), what is the probability that the Helpdesk will receive the next call within the next 10 minutes?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd