Assuming that the food costs are normally distributed what

Assignment Help Basic Statistics
Reference no: EM13577205

The mean amount spent by a family of four on food per month is $500 with a standard deviation of $75. Assuming that the food costs are normally distributed, what is the probability that a family spends less than $410 per month?

Reference no: EM13577205

Questions Cloud

Question find the probability that in 200 tosses of a fair : question find the probability that in 200 tosses of a fair die we will obtain at least 40
Mr and mrs jones live in a neighborhood where the mean : mr. and mrs. jones live in a neighborhood where the mean family income is 45000 with a standard deviation of 9000. mr.
From the following stem-and-leaf display find the minimum : from the following stem-and-leaf display find the minimum value the 1stquartile the median the 3rdquartile and the
Boing inc operates a commuter airline last year the airline : boing inc operates a commuter airline last year the airline flew 10000 flights and sold 400000 one way tickits at 59
Assuming that the food costs are normally distributed what : the mean amount spent by a family of four on food per month is 500 with a standard deviation of 75. assuming that the
All depreciation charges are fixed and are expected to : the following information is available for year 1 for dancer componentsrevenues 220000 units3190000manufacturing
Suppose that a financial analyst wants to evaluate the : suppose that a financial analyst wants to evaluate the variability of the prices of a new stock in the market. the
A financial analyst is studying the feasiblity of two : a financial analyst is studying the feasiblity of two alternative assembly methods manual and automated the automated
The annual incomes of unique another firm similar to ellys : the annual incomes of the five vice presidents of ellys industries are 41000 38000 32000 33000 and 50000. the annual

Reviews

Write a Review

Basic Statistics Questions & Answers

  Description of probability concepts

A survey of top executives revealed that 35 percent of them regularly read Time magazine, 20 percent read Newsweek, and 40 percent read U.S. News and World Report. Ten percent read both Time and U.S. News and World Report.

  Does data prove significant difference in mean gpas

Does the data prove a significant difference in mean GPAs? GPA1 GPA for Randomly Selected Students in Four Business Majors.

  Which of the types of auction would you recommend

If an auction house is selling products to risk neutral buyers, which of the types of auction would you recommend? If you are a potential buyer, what might your strategy be? Support your answers using economic analysis learned in this course.

  What happen to confidence interval f sample size incresed

Discuss why the 90% and 99% confidence intervals are different. What would you expect to happen to the confidence interval in part A if the sample size was increased?

  A curious parent observes a cereal commercial that states

A curious parent observes a cereal commercial that states their product has an average of 50 pieces of real fruit per box with a standard deviation of 6 pieces per box. She decides to check the accuracy of this statement by selecting 100 boxes of cer..

  Test for goodness-of-fit

When such digits are randomly generated, what is the distribution of those digits? Given such randomly generated digits, what is a test for "goodness-of-fit"?

  Find the probability of having a sample mean less than size

If the organization's claim is correct, what is the probability of having a sample mean of 114.6 or less for a random sample of this size?

  Information from frequency distribution

Given the following frequency distribution, find out  the mean, variance, and standard deviation.

  Probabilities to the sample points

Assign probabilities to the sample points and then find the probability that the first envelope purchased contains less than $100.

  Simple random sample problem

Suppose that this is a simple random sample of adult residents of Maine.

  Analysing family monthly gaoline purchases

The average monthly gasoline purchase for a family with 2 cars is 90 gallons. This statistic has a normal distribution with a standard deviation of 10 gallons. A family is chosen at random.

  Man-hour and payroll predictions

In the past HR uses an average of 25 vacation days per worker in order to make available man-hour and payroll predictions. Is there evidence to show that the number of vacation days decreased over the past year? Use alpha = .05

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