User Account

All Pages

Find the probability that the mean

Assignment Help Basic Statistics
Reference no: EM131152982

The overhead reach distances of adult females are normally distributed with a mean of 202.5 cm and a standard deviation of 8.6cm.a. Find the probability that an individual distance is greater than 212.50cm.b. Find the probability that the mean for 15 randomly selected distances is greater than 200.70cm.c. Why can the normal distribution be used in part (b), even though the sample size does not exceed 30?

Reference no: EM131152982

Questions Cloud

Explain the importance of situating a society cultural : Explain how key social, cultural, and artistic contributions contribute to historical changes. Explain the importance of situating a society's cultural and artistic expressions within a historical context.
Name six policies you could enable in a windows domain : Name six policies you could enable in a Windows Domain. What is the minimum password length enforced by the Password must meet complexity requirements policy?
Sales between the two seasons : The mean sales during the winter months was $995 with a standard deviation of $100. At 0.02 significance level can we conclude there is a difference in sales between the two seasons? Find the p value
What type of access permissions are probably configured : If you can browse a file on a Windows network share, but are not able to copy it or modify it, what type of access controls and permissions are probably configured?
Find the probability that the mean : The overhead reach distances of adult females are normally distributed with a mean of 202.5 cm and a standard deviation of 8.6cm.a. Find the probability that an individual distance is greater than 212.50cm.
Could americans make such adjustments : How could the surveillance society liberate a culture from antiquated norms or push cultural consensus toward a new morality based on actual harm as opposed to group preferences, opinions or traditions?
Significance level for hypothesis testing : A clothing factory needs to determine whether a new machine was producing a breaking strength of 70 pounds and standard deviation of 3.5 pounds. A sample of 36 pieces revealed a sample mean of 69.7 pounds. Is there evidence that the machine is not..
Amount of cash spent without being aware : Consumers spend of $21 per week in cash without being aware of where it goes. Assume that the amount of cash spent without being aware of where it goes is normally distributed and that the Standard Deviation is $5 a.) What is the probability that ..
Purchasing agent of company : As the purchasing agent of your company you are deciding what type of Xerox machine to buy for your company. You have narrowed your choices to brand X and brand Y.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Finding probability that neighbourhood is considered unsafe

If measurements are made over span of 9 months, and results are averaged, find out the probability that neighbourhood is considered unsafe?

  Find evidence that mean amount is different from gallon

You choose random sample of 50 cans, and mean amount of paint per 1-gallon can is 0.995 gallon. Is there evidence that mean amount is different from 1.0 gallon (use α=0.01).

  Leading causes of postneonatal deaths

In the United States, sudden infant death syndrome (SIDS) is one of the leading causes of postneonatal deaths (those occurring between the ages of 28 days and 1 year).

  Illustrate out the term control chart

Illustrate out the term control chart? Critically discuss the grand mean, the UCL and the LCL of a control chart for the mean?

  Information about calculating confidence interval

In an effort to estimate the mean amount spent per household per month in a small Canadian town, data were collected for a sample of 50 households. The sample showed an average amount of $2000 and a standard deviation of $500.

  P-values versus critical values

We have discussed two different methods for making statistical inferences such as developing interval estimates and conducting hypothesis tests. These methods are the "Critical Value Method" and the "P-Value Method".

  A bridge culvert is designed to pass a stream discharge

a bridge culvert is designed to pass a stream discharge with an annual exceedance probability of 0.02 without

  Proposed regression study on iq correlation

Assume you are given data from a survey showing the IQ of each person interviewed and the IQ of his or her mother. That is all the information you have.

  Compute concentration parameter for both measurement sets

Compute the 95% confidence interval of the mean direction estimates. Compute the concentration parameter for both measurement sets.

  Ten juniors and five seniors have applied for two open

ten juniors and five seniors have applied for two open student council positions. school adminitrators have decided to

  Linear regression by charting the points

We could then perhaps form a linear regression by charting the points of IQ for each person and their mother on a graph to determine if a correlation can be made between the IQ score of the individual and the IQ score of the mother. If the scores ..

  Test hypothesis that random sample of bulbs has average life

Test the hypothesis that = 800 hours against the alternative 800 hours if a random sample of 30 bulbs has an average life of 788 hours. Use a 0.04 level of significance.

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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