Find the 90 confidence interval estimate of the population, Ask an Expert

Statistics

The number of cars sold annually by used car salespeople is normally distributed with a standard deviation of 15. A random sample of 15 salespeople was taken and the number of cars each sold is listed here. Find the 90% confidence interval estimate of the population mean. Interpret the interval estimate. 79 43 58 66 101 63 79 33 58 71 60 101 74 55 88.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9430520

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Using excel a manufacturer of celsius thermometers claims

Using Excel, A manufacturer of Celsius thermometers claims the thermometers they produce have an average (mean) reading of 0 degrees Celsius and a standard deviation of 1 degree Celsius for freezing water . If one of the ...

Suppose that 20 of men p20 and 15 of women p 15 are

Suppose that 20% of men (P=.20) and 15% of women (P= .15) are carriers of a particular genetic trait. That trait can only be inherited by a child if both parents are carriers. What is the probability that a child is born ...

Suppose that we take a random sample of 49 people from this

Suppose that we take a random sample of 49 people from this segment of the population. What is the probability that the mean number of days of disability of this sample will be greater than 6 days?

Annbspe-commerce web site claims thatnbsp8nbspof people who

An? e-commerce Web site claims that 8?% of people who visit the site make a purchase. Complete parts a through e below based on a random sample of 15 people who visited the Web site. a. What is the probability that none ...

A quality controller selects 8 items at a predefined

A quality controller selects 8 items at a predefined interval and found that 75% of the time the item was non-defective. Let "S" represent the occurence of a non defective item. Assuming that this experiment is Binomial: ...

A random sample ofnbsp77nbspeighth grade students scores on

A random sample of 77 eighth grade? students' scores on a national mathematics assessment test has a mean score of 290. This test result prompts a state school administrator to declare that the mean score for the? state' ...

The local police department must write an average of 5

The local police department must write an average of 5 traffic tickets each day to keep department revenues at budgeted levels. Suppose the number of tickets written per day follows a Poisson distribution with a mean of ...

Why is it important for leadership to know the

Why is it important for leadership to know the debt-to-equity ratio for their organization?

The speed of cars on a stretch of road is normally

The speed of cars on a stretch of road is normally distributed with an average 42 miles per hour with a standard deviation of 5.9 miles per hour. What is the probability that a randomly selected car is violating the spee ...

You decide to research further this seemingly contradictory

You decide to research further this seemingly contradictory guidance, hypothesizing that the true population average core body temperature amidst higher ambient temperature and humidity levels while using an electric f ...

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