Sample hypothesis test question

Assignment Help Basic Statistics
Reference no: EM13110878

Research at the University of Toledo indicates that 50 percent of the students change their major area of study after their first year in a program. A random sample of 100 students in the College of Business revealed that 48 had changed their major area of study after their first year of the program. Has there been a significant decrease in the proportion of students who change their major after the first year in this program? Test at the .05 level of significance.

Reference no: EM13110878

Questions Cloud

Compute kp at this temperature : Compute KP at this temperature If the pH of an aqueous solution is 8.23, what are the hydrogen- and hydroxide-ion concentrations of this solution?
Total carbon concentration : Which of these given nutrients is likely to limit production if the light supply is adequate and there is no nitrogen fixation?
Illustrate what is the best estimate of current stock price : after which dividends are expedited to grow at a rate of 6% forever. Its required return (Rs) is 12%. Illustrate what is the best estimate of the current stock price?
Explain why do you think form of ownership is appropriate : Explain why do you think this form of ownership is appropriate for an industry like Procter & Gamble?
Sample hypothesis test question : Research at the University of Toledo indicates that 50 percent of the students change their major area of study after their first year in a program.
Compute the total cost : The Austin, Texas plant of Computer Products produces disk drives for personal and small business computers. Gerald Knox, the plant's production planning director, is looking over next year's sales forecasts for these products and will be developing ..
Determine k for given reaction : determine K for this reaction When a sample of 5.63 grams of pure C 5 H 6 O 3 (g) was sealed into an otherwise empty flask of 2.50 L and heated to 200.
Hypothesis test for population mean-z test : A leasing firm claims that the mean number of miles driven annually,u , in its leased cars is less than 13500 miles. A random sample of 70 cars leased from this firm had a mean of 13207 annual miles driven.
Which products of enzymatic digestion : Which of the following products of enzymatic digestion can be absorbed by the intestinal epithelium?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Normal distribution with respect to wear

A tire company test a particular model of tire and found the tires to be normally distributed with respect to wear. The mean was 28,000 miles and the standard deviation was 2500 miles. If 2000 tires are tested, about how many are likely to wear ou..

  Computing probability by random number table

The professor wishes to use a random-number table to determine which letter choice should correspond to the correct answer for a question.

  Probability in relation to his classmates

If Larry gets a 70 on a physics test where the mean is 65 and the standard deviation is 5.8, where does he stand in relation to his classmates?

  Assuming the time to failure exponential

Now assume that failed items are not replaced during the test. UsingHandbook H-­-108, determine the plan assuming the time to failure is exponential.

  Question on chi square

Can you please help me develop a research question using gender and another categorical variable associated to adhd that could be address using the chi-square method?

  Computing probability from using mean

Brake Pads- A brake pad manufacturer claims its brake pads will last for 38,000 miles. You work for a consumer protection agency and you are testing this manufacturer's brake pads.

  Clarification of decision analysis

The Oakland Bombers professional basketball team just missed making the playoffs last season and believes it needs to sign only one very good free agent to make the palyoffs next season.

  Intersection and conditional probability

Suppose that a certain college class contains 45 students. Of these, 26 are sophomores, 25 are chemistry majors, and 7 are neither. A student is selected at random from the class.

  Summary or overview of bayers theorem

Choose any medical scientific study who applied a Bayer Theorem and write down the article information (title, author, location, and date) of the article

  Conclusion at a level of significance

Can one conclude at a level of significance of .01 that the new ball has  improved   his game?

  Linear regression model was fitted to a sample

This linear regression model was fitted to a sample of size 50 to produce the following regression equation: yhat = 145 + 1.2x1 + 300x2.

  Point estimates and confidence intervals

The Warren County Telephone Company claims in its annual report that "the typical customer spends $70 per month on local and long-distance service.

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