An instructor believes that 20 or less of the students who, Ask an Expert

Statistics

An instructor believes that 20% or less of the students who finish a statistics course gat an "A" grade. A sample of 100 students was taken. 24 of the students in the sample received an "A". Test the instructor's claim at a 5% level of significance. What is your conclusion?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9116700

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

The risk-free rate of return is 52 percent and the market

The risk-free rate of return is 5.2 percent and the market risk premium is 8.4 percent. What is the expected rate of return on a stock with a beta of 1.34?

The number of people arriving for treatment at an emergency

The number of people arriving for treatment at an emergency room can be modeled by a Poisson process with a mean of 7 people per hour. How many people do you expect to arrive during a 55-minute period?

1 a stock market analyst is able to 1. A stock market analyst is able to

1. A stock market analyst is able to identify mis-priced stocks by comparing the average price for the last 10 days to the average price for the last 60 days. If this is true, what do you know about the market's efficien ...

A researcher calculates a 90 confidence interval of 3397

A researcher calculates a 90% confidence interval of (3397, 3421) to estimate the population birth weight using a random sample of 84 babies born to mothers with gestational diabetes. She wants to compare this range to t ...

1 suppose you are the manager of a bank that has 15 million

1. Suppose you are the manager of a bank that has $15 million of fixed-rate assets, $30 million of rate-sensitive assets, $25 million of fixed-rate liabilities, and $20 million of rate-sensitive liabilities. Conduct a ga ...

According to a field poll 258 out of 602 of california

According to a Field Poll, 258 out of 602 of California adults feel that "education and our schools" is one of the top issues facing California. We wish to construct a 90% confidence interval for the true proportion of C ...

1 the personnel office at a large electronics firm

1. The personnel office at a large electronics firm regularly schedules job interviews and maintains records of the interviews. From the past records, they have found that the length of a first interview is normally dist ...

Inbspa statistics instructor wants to measure the

I. A statistics instructor wants to measure the effectiveness of his teaching skills in a class of 66 students ( N = 66). He selects students by waiting at the door to the classroom prior to his lecture and pulling asid ...

The caloric consumption ofnbsp44nbspadults was measured and

The caloric consumption of 44 adults was measured and found to average 2,113. Assume the population standard deviation is 270 calories per day. Construct confidence intervals to estimate the mean number of calories consu ...

In a survey of 3439 adults 1418 say they have started

In a survey of 3439 adults, 1418 say they have started paying bills online in the last year. Construct a? 99% confidence interval for the population proportion. Interpret the results.

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

Recent Questions

Ask Statistics and Probability Expert