Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Statistics and Probability Expert

A student thinks that no more than 20% of the students who finish the statistics course get an A. A random sample of 100 students was taken. Twenty- four percent of students in the sample received A's.

a. Describe the null and alternate hypothesis.  

b. Using the critical value, test the hypothesis at the 1% level of significance.

c. What conclusion can you draw concerning the proportion of the students receiving A's in course?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M921005

Have any Question?


Related Questions in Statistics and Probability

A watters umbrella corp issued 12-year bonds 2 years ago at

a) Watters Umbrella Corp. issued 12-year bonds 2 years ago at a coupon rate of 7.8 percent. The bonds make semiannual payments. If these bonds currently sell for 105 percent of par value, what is the YTM? (Write down the ...

Total cholesterol in children 10 to 15 years of age is

Total cholesterol in children 10 to 15 years of age is assumed to follow a normal distribution of 191 and a standard deviation 22.4. What proportion of children 10 to 15 years of age has total cholesterol between 180 and ...

According to annbspairline flights on a certain route are

According to an? airline, flights on a certain route are on time 80% of the time. Suppose 13 flights are randomly selected and the number of?flights is recorded. ?a)  Explain why this is a binomial experiment. ?b)  Deter ...

We want to estimate the mean weight of all 7thnbspgrade

We want to estimate the mean weight of all 7th grade boys in a city. It is not known whether the distribution of the weights is normal or not. Suppose we have a random sample of 64 boys from 7th grade from that city and ...

A manufacturer of matches randomly and independently puts

A manufacturer of matches randomly and independently puts 15 matches in each box of matches produced. The company knows that one-tenth of 6 percent of the matches are flawed. What is the probability that a matchbox will ...

Jen and barry calculate the overall cost per shift y for

Jen and Barry calculate the overall cost per shift y for "Jen & Barry's Fast Fresh Salad Bags". They determine that 20 salad bags can be produced for a total cost of $80 and that 50 salad bags can be produced for total c ...

In 20 of families the father has celiac disease event f

In 20% of families the father has celiac disease (Event F) while the mother does not, in 15% of families the mother has celiac disease (Event M) and the father does not, and in 5% of families both the mother and the fath ...

1 a certain compact disc player randomly plays each of 10

1. A certain compact disc player randomly plays each of 10 songs on a CD. Once a song is played, it is not repeated until all the songs on the CD have been played. In how many different ways can the CD player play the 10 ...

These are some questions for my finance class that is

These are some questions for my finance class that is giving some trouble to understand completely: Can Enterprise Value be negative? Why? How would you value an apple tree?

A recent college graduate has taken a new job at work llc

A recent college graduate has taken a new job at Work LLC, and since the company does not offer a traditional pension plan, she plans to take advantage of a tax-free investment account backed by a reputable financial ins ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As