Find probablity mean height for sample is greater

Assignment Help Basic Statistics
Reference no: EM13115737

The mean height of women in a country (age 20-29) is 64.3 inches. A random sample of 75 women in this age group is selected. what is the probablity that the mean height for the sample is greater than 65 inches?

Reference no: EM13115737

Questions Cloud

Conduct the test using the level of significance : Suppose that a claim is made that the average billionaire is 60 years old or younger.The following is a random sample of billionaires. Conduct the test using the 0.05 level of significance.
Determining linear and nonlinear models : A toy company has been marketing souvenir toys in conjunction with various professional sports teams in a number of cities. Over the past few years, this experience has provided some data on the effect of advertising on sales revenues because the ..
Do you expect cl- to flow into the cell : A neuron with an intracellular Cl- concentration of 50 mM is placed in a solution that contains 100 mM Cl- at 25 degree celcius. The membrane potential of the neuron is -60 mV.
Data analysis and trends : This is the data table about my city that I live in 1990 and 2000 and difference 1990 2000 Difference-What information from this table do you find to be most interesting? Give 2 to 4 sentences of explanation.
Find probablity mean height for sample is greater : The mean height of women in a country (age 20-29) is 64.3 inches. A random sample of 75 women in this age group is selected. what is the probablity that the mean height for the sample is greater than 65 inches?
Illustrate what is the maximum compression of the spring : then collides with a spring whose spring constant is 250 N/m. angle is 30 degrees. Illustrate what is the maximum compression of the spring?
Explain fixed manufacturing overhead costs : assuming that Andretti Company has sufficient capacity to produce 90,000 Daks each year without any increase in fixed manufacturing overhead costs
Compute what resolving power is needed to measure : Compute what resolving power is needed to measure with a spectrograph the natural line width of the alpha particles from Po-212
Find fraction of defective items gets by both inspectors : the probability that it gets by the first inspector is 0.1. Of those that get past the first inspector, the second inspector will miss 5 out of 10. What fraction of the defective items gets by both inspectors?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Paired t teat and independent sample t test

Compare and contrast a Difference of Means test with a Paired Difference test. What, fundamentally, are we testing for in each? When do you use the difference of means?

  Estimating uniform probability distribution

A company requires its secretarial employees to demonstrate his/her ability to type more than 45 words per minute in a typing test.

  Discuss confidence interval for population proportion

A survey of 300 union members in New York reveals that 112 favor the Republican candidate for governor. Construct the 98% confidence interval for the true population proportion of all New York State union members who favor the Republican candidate..

  Computing minimum sample size

Find the minimum sample size needed using a prior study that found that 36% of the respondents said they support abolishing the penny.

  Construct a sample space using a tree diagram

Construct a sample space using a tree diagram - Which of the following three sets of probabilities are inappropriate because they violate a basic rule of probability

  Probability concept

What is the probability of finding 1 or more children with chronic bronchitis in a population where the incidence rate of chronic bronchitis is 10% (like the one above?)

  Determine probability using hyper geometric distribution

A customer from Cavallaro's Fruit Stand picks a sample of 5 oranges at random from a crate containing 80 oranges, of which 6 are rotten. What is the probability that the sample contains 1 or more rotten oranges? (Round your answer to three decimal..

  Equation of the regression line

Using the following information, find the equation of the regression line, and predict the heart rate when 0.27 milligrams of the drug is used.

  Computing the critical z value

In 1990, 5.8% of job applicants who were tested for drugs failed the test. At the 0.01 significance level, test the claim that the failure rate is now lower if a simple random sample of 1520 current job applicants results in 58 failures. Does the ..

  Steps of hypothesis testing procedure

Perform the 5 steps of hypothesis testing procedure. Please present the calculations and results and Graphs. Make all possible observations and interpret the results

  Test of hypothesis by using chi square

There are four entrances to the Government Center Building in downtown Philadelphia. The building maintenance supervisor would like to know if the entrances are equally utilized.

  Right interpretation for the margin-of-error

Based on a simple random sample of one hundred an analyst estimates the average hourly wage earned by workers in a city to be $30 and computes the margin of error to be $5. Can we conclude from this that most workers there earn between $25 and $35..

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