The share of the national car manufcturers market in south, Ask an Expert

Statistics

1. The share of the national car manufcturers market in South Africa is shown in the table below:

MANUFACTURER % OF SHARES

VW 37

Toyota 30

Delta 15

BMW 10

Mercedes 8

A random sample of 2000 car owners in Pretoria revealed the following ownership pattern:

VW = 758 Toyota = 680 Delta = 300 BMW = 162 Mercedes = 100

Does the ownership pattern differ significantly from the National pattern?
Investigate at the 5% level of significance.

2. It is believed that call centre operators should spend no longer than 10 minutes on each call, however a survey involoving a random sample of 49 operators found a mean call duration of 11 minutes with a standard deviation of 3 minutes. Test the Hypothesis at the 1% level of significance.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9392258

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

A perpetuity pays 4300 at the end of every month for 11

A perpetuity pays $4300 at the end of every month for 11 months of each year. At the end of the 12th month of each year, it pays double that amount. If the effective ANNUAL rate is 9%, what is the present value of this p ...

A new computer system will require an initial outlay of

A new computer system will require an initial outlay of $15,500, but it will increase the firm's cash flows by $3,100 a year for each of the next 7 years. How high can the discount rate be before you would reject the pro ...

A book company sells 10 000 books a month each book has a

A book company sells 10, 000 books a month, each book has a 1/500 chance of being returned. Us the Poisson approximation to find the probability that the number of books returned in a month will be at most 3.

What is the 99 confidence interval for a sample of 52 seat

What is the 99% confidence interval for a sample of 52 seat belts that have a mean length of 85.6 inches long and a standard deviation of 3.8 inches?

Consumer product manufacturers commonly include customer

Consumer product manufacturers commonly include customer satisfaction surveys on product warranty cards that are sent back to the company. An outdoors company redesigned a popular camping tent, and it wants to know wheth ...

You paid cash for 1300 worth of stock a year ago today the

You paid cash for $1,300 worth of stock a year ago. Today the portfolio is worth $1,888. a. What rate of return did you earn on the investment? b. Now suppose that you bought the same stock but bought it on margin. The ...

1 to investigate the ecological impact of parasite

1. To investigate the ecological impact of parasite infections, scientists measured the distance that infected western fence lizards, Scelopons occidentalis , ran in two minutes against a control group of uninfected liz ...

At a large university the probability that a student take

At a large university, the probability that a student take calculus and is on the dean's list is 0.048. The probability that a student is on the dean's list is 0.29. Find the probability that the student is taking calcul ...

A spinner is divided into five equal sectors labeled 1

A spinner is divided into five equal sectors labeled 1 through 5. What is the probability of getting at most two prime numbers in three spins?

A company recently had 26 million shares outstanding

A company recently had 26 million shares outstanding trading at $45/share. The company announces its intention to raise $290M by selling new shares. What percentage of the value of the company's existing equity prior to ...

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