What is the critical value of z

Assignment Help Basic Statistics
Reference no: EM132190198

In a hypothesis test with hypotheses H0:p≥0.31and H1:p<0.31, a random sample of size 553 produced a sample proportion of 0.2630. The test is to be made at the 4% significance level.

What is the critical value of z?

What is the value of the test statistic, z, rounded to three decimal places?

What is the p-value for this hypothesis test, rounded to four decimal places?

Reference no: EM132190198

Questions Cloud

Higher proportion of smokers : Can you conclude that there is a higher proportion of smokers in this college compared to the entire college student community?
Conducting an appropriate test of hypothesis : Based on this information, can you conclude that instructors in this specific department of public health perform score better than the national average.
Calculate all the main and interaction effects : SYSEN 5300 - Factorial Design at Two Levels and Response Surface Method - Calculate all the main and interaction effects. Show the steps of your calculation
What is the value of the test statistic : What is the value of the test statistic, z, rounded to three decimal places?
What is the critical value of z : What is the critical value of z? What is the value of the test statistic, z, rounded to three decimal places?
What is the critical value of z : In a hypothesis test with hypotheses H0:p=0.58 and H1:p>0.58, a random sample of size 1186 produced a sample proportion of 0.5985.
Current percentage of all children under the age : Using the critical value approach and a=0.05, test whether the current percentage of all children under the age of 18 years in the United States who live
Critical value of z to two decimal places : According to a book published in 2011, 45% of the undergraduate students in the United States show almost no gain in learning in their first two years
Significance of the correlation coefficient : For the data below, test the significance of the correlation coefficient using a = 0.05 and the claim P = 0. X: -10, -8, -1, -4, -6, -7, -5, -3, -2, -9. Y: -2,

Reviews

Write a Review

Basic Statistics Questions & Answers

  What is a urinary tract infection

What is a Urinary Tract Infection (UTI) and what are the causes? Who is more likely to get a UTI - males or females?

  Find the mean and standard deviation

Find the mean and standard deviation of the difference in the price you may pay for melons randomly selected at each store.

  Characteristic during the sampling process

What characteristic (or property of random samples) could be observed during the sampling process?

  What is the probability of the event in given case

After testing, asphalt shingles are classified as high, medium, or low grade, and different grade shingles are sold under different warranties.

  Basic concepts of hypothesis testing

Prepare a maximum of 4 page report.I want you to use JMP and put those figures in the report and the report has to look like the last years sample report that I put here. Basic concepts of hypothesis testing, What is Statistics

  Explain the evidence of extrasensory perception

Searching for ESP. A researcher looking for evidence of extrasensory perception (ESP) tests 200 subjects.

  What is the estimated change in the course evaluation score

What is the estimated change in the course evaluation score course_eval (which is scored from 1-5 where 5 is the highest evaluation) when

  What is the mean and variance of the distribution

he probability that a pumpkin seed will germinate is 70%. A gardener plants the pumpkins in batches of 12. What is the mean of the distribution? What is the variance of the distribution?

  Will the correlation be positive or negative

GPA and IQ. Do you believe that the grade point average of a college student is correlated with the student's intelligence quotient (IQ)?

  Determining the conditional pdf

Let the independent r.v.'s X1,. .., Xn be distributed as U(0, 1), and let 1 j n. Use the relevant results in Example 3, and Exercise 1.6(i) in order to derive: i) The conditional p.d.f. of Yj, given Y1;

  What is the stock geometric average return

A stock has monthly returns of 02.34%, 22.97% , 03.08%, and 16.36%. What is the stock's geometric average return?

  What is a hypothesis test

What is a hypothesis test? Why do we need to use them to make decisions about relating sample results to the population; why can't we just make our decisions by the sample value?

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