(Answered) A random sample of 13 dvd movies had a mean length of 1194

Statistics

A random sample of 13 DVD movies had a mean length of 119.4 minutes, with a standard deviation of 73.8 minutes. Find the lower bound of the 90% confidence interval for the true mean length of all Hollywood movies. Assume movie lengths to be approximately normally distributed.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92757647
Price:- $10

Verified Expert

Priced at $20 Now at $10, Verified Solution

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

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 ...

The equation used to predict how long a cold will last is

The equation used to predict how long a cold will last is y=-1.8 + 0.09x1 + 3.2x2 - 1.9x3, where x1 is person's temperature on the first day, x2 is number of people seen each day, and x3 is the amount of sleep the person ...

Suppose a machine has two components that prevent injury

Suppose a machine has two components that prevent injury; component A and component B. If either of the components fail, an employee will be injured. It is important to note that both A and B cannot fail at the same tim ...

A community hospital wants to estimate the body mass index

A community hospital wants to estimate the body mass index (BMI) of its local population. To estimate the BMI with an error of at most 0.5 at a 95% confidence level, what sample size should they use? The standard deviati ...

A system consists of five independent components in

A system consists of five independent components in parallel. The system will work if at least one of the five components works. Let Ci represent the event that component i works, i=1,...,5. P(Ci)=0.97 for all i. What is ...

Suppose a sample space has things ab and c twice draw from

Suppose a sample space has things a,b and c. Twice, draw from the sample space and replace. The possible sequences formed are {aa, ab, ac,ba,bb, bc,ca,cb,cc} Now suppose there are Y different things. There are Y ways the ...

In a pre-election poll a candidate for district attorney

In a pre-election poll, a candidate for district attorney receives 304 of 600 votes. Assuming that the people polled represent a random sample of the voting population, test the claim that a majority of voters support th ...

If an urn1 contains 6purle balls and 4red balls and urn2

If an Urn1 contains 6purle balls and 4red balls. And Urn2 contains 4purple balls and 6 red balls. Urn3 contains 4purple balls and 5red balls. If one of the urns is selected at random and a ball is drawn, what is the prob ...

The managers of a car store observe that 70 of all the cars

The managers of a car store observe that 70% of all the cars they sell are bought by people who already own a car. They also observe that 50% of the customers who come to the store but do not buy a car, already own one. ...

The weights of ice cream cartons are normally distributed

The weights of ice cream cartons are normally distributed with a mean weight of 20 ounces and a standard deviation of 0.5 ounces. You randomly select 25 cartons. What is the probability that their mean weight is greater ...

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