Faced with rising fax costs a firm issued a guideline that , Ask an Expert

Statistics

Faced with rising FAX costs, a firm issued a guideline that transmissions of 10 or more should bw sent by 2-day mail instead. Wxceptions are allowed, but they want the average to be 10 or below. The firm examined 35 randomly chosen fax transmissions during the next year, yielding a sample mean of 14.44 with a standard deviation of 4.45 pages.

Claim: True mean greater than 10.
The level of significance of the test a =0.01

(a) State the null and alternative hypothesis symbolically.

Ho :

H1 :

(b) The value of the test statistic is found to be t=.5.90 At a=0.01, can it be concluded that the true mean is greater than 10 pages? Why or why not? Explain!

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9390650

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

What is liquidity and why is liquidity important to the

What is liquidity and why is liquidity important to the success of a business? Give the Reference

What is the sample size for studies with moe of -35 and -28

What is the sample size for studies with MOE of +/-3.5% and +/-2.8%, with a confidence level of 95%, sample statistics of 50. Suppose the category population was 7500 (less than 10,000)? Remember the FPC. What would be t ...

Acme airlines flies airplanes that seat 20 passengers from

Acme Airlines flies airplanes that seat 20 passengers. From experience, they have learned that, on average, 85% of the passengers holding reservations for a particular flight actually show up for the flight. If they book ...

In a study of helicopter usage and patient survival among

In a study of helicopter usage and patient? survival, among the 55,032 patients transported by? helicopter, 227 of them left the treatment center against medical? advice, and the other 54,805 did not leave against medica ...

In the game of roulette a player can place a 7 bet on the

In the game of? roulette, a player can place a ?$7 bet on the number 18 and have a 1/38 probability of winning. If the metal ball lands on 18?, the player gets to keep the ?$7 paid to play the game and the player is awar ...

A financial planning licensee striving for excellence in

"A Financial Planning Licensee striving for excellence in their fiduciary duty has decided to set a maximum limit of gearing for all client financial plans they construct." Comment on the merit of taking such an approach ...

For a population of individuals that has a standard

For a population of individuals that has a standard deviation of 10, what is the standard error of the mean for samples of size (a) 2, (b) 3, (c) 4, (d) 5, (e) 10, (f) 20, (g) 100?

Most analysts focus on the cost of tuition as the way to

Most analysts focus on the cost of tuition as the way to measure the cost of a college education. But incidentals, such as textbook costs, are rarely considered. A researcher at Drummand University wishes to estimate the ...

The december cbot treasury bond futures contract is quoted

The December CBOT Treasury bond futures contract is quoted at 92-19. If annual interest rates go up by 1.50 percentage points, what is the gain or loss on the futures contract? (Assume a $1,000 par value, and round to th ...

Income can have significant effects on peoples spending

Income can have significant effects on people's spending patterns. Research studies have revealed that consumer expenditure is influenced by various factors such as their income, gender, age and level of education. In or ...

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