Test the hypotheses at the 5 level of significance what is

Assignment Help Basic Statistics
Reference no: EM13633902

A student believes that no more than 25% (i.e., 25%) of the students who finish a statistics course get an A. A random sample of 100 students was taken. Twenty-six percent of the students in the sample received A's. Test the hypotheses at the 5% level of significance. What is the critical value? What is the calculated Z-test statistic? What are your conclusions regarding the assumption of the proportion of students that make an A in statistics? reject or not reject

Reference no: EM13633902

Questions Cloud

The summary statistics for sale price and living area are : the summary statistics for sale price and living area are listed below. the correlation between sale price and living
Polonium metal crystallizes in a lattice which contains : polonium metal crystallizes in a lattice which contains onlyone po atom per cubic unit cell. the radius of a polonium
The press box at a baseball park is 360 ft above the : the press box at a baseball park is 36.0 ft above the ground. a reporter in the press box looks at an angle of 13.1deg
The saturation pressure corresponding to this temperature : a rankine cycle with regeneration has steam enter a turbine at 30 bars and 500 degrees c. the condenser pressure is 0.1
Test the hypotheses at the 5 level of significance what is : a student believes that no more than 25 i.e. 25 of the students who finish a statistics course get an a. a random
An 80 kg construction worker sits down 20 m from the end : an 80 kg construction worker sits down 2.0 m from the end of a 1450 kg steel beam to eat his lunch. the cable
Data from service records shows that the time to repair a : data from service records shows that the time to repair a certain machine is normally distributed with a mean of 50
Aluminum hydroxide reacts with sulfuric acid which reagent : aluminum hydroxide reacts with sulfuric acid. whichreagent is the limiting reactant when 0.700 mol of aluminumhydroxide
An astronomical unit au is the average distance of earth : an astronomical unit au is the average distance of earth from the sun approximately 1.50 times 108 km. the speed of

Reviews

Write a Review

Basic Statistics Questions & Answers

  Testing of hypothesis at surgery center

Give an example of a hypothesis test you could perform at a Surgery Center and what the hypotheses would be. State the null and alternative hypotheses in proper format.

  Maximum error of estimate

What is the maximum error of estimate for  p ?

  Explain the difference between testing a single mean

Explain the difference between testing a single mean and testing the difference between two means. What two assumptions must be met when one is using z test to test differences between two means?

  Least square method to find regression

Assume a linear relationship, use the least square method to find the regression coefficients bo and b1 and Predict the mean kilowatt usage when the average temperature is 50 degrees Fahrenheit.

  Operations research and the management sciences

The Institute for Operations Research and the Management Sciences

  Determining acurate sample size

A "random survey" was conducted of 3274 people of the "microprocessor generation" (people born since 1971, the year the microprocessor were invented). It was reported that 48% of those

  Find probability that no students lives in dormitories

75% of students live in dormitories. A random sample of 5 students is selected. Using the binomial probability tables, find the probability that none of the students lives in the dormitories?

  An anova table for multiple regression has the required

an anova table for multiple regression has the required information to compute the coefficient of multiple

  Statistical test practice

This is my own made up problem. I just want to learn which test would I use t,z, or Chi and HOW do I go about doing it.

  Probability distribution rather than continuous probability

Determine the conditions under which you would use a discrete probability distribution rather than a continuous probability distribution. Provide one (1) example to illustrate your reasoning.

  Professor green gives two-month computer programming

professor green gives two-month computer programming courses during the summer term. students must pass a number of

  Suppose the administration wanted to estimate the mean to

a university system enrolling hundreds of thousands of students is considering a change in the way students pay for

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