Question: 13. 15 samples were sampled randomly from a normally distributed population with sample mean 10.34 and sample stardard deviation 2.3. What is the confidence percentage

13. 15 samples were sampled randomly from a normally distributed population with sample mean 10.34 and sample stardard deviation 2.3. What is the confidence percentage if the prediction interval of a future observation is (7.16,13.52) ? ( 3 points) Put a circle on the correct answer below: a) 80% b) 85% c) 90% d) 95% Derive your answer below

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

28) If one made a list of the Governors' salaries from each state, the list would be considered a "census" a. TRUE b. FALSE 29)A jar contains 10 red marbles, 8 white marbles, 3 green marbles, and 5...

1 A major department store chain is interested in estimating the average amount its credit card customers spent on their first visit to the chain's new store in the mall. Fifteen credit card accounts...

Need Help solving step by step 1.) Standardized IQ test scores are normally distributed with a sample mean of 100 and a sample population of 15. Find the following: a.) Find the probability that a...

I need help asap with these followed steps on this question. These are the examples that follow the questions which are 3 questions. Five students took a math test before and after tutoring. Their...

I. For a confidence level of 92%, find the critical value for a normally distributed variable. The sample mean is normally distributed if the population standard deviation is known. III. Insurance...

D Question 13 1 pts Fill in the blank. Increasing the confidence level increases the margin of error making the confidence interval wider. D Question 14 1 pts A random sample of 25 exam scores is...

1) Use the Internet to find Pick 4 lottery results for 50 different drawings. Find the 50 different means. Graph a histogram of the original 400 digits that were selected, and graph a histogram of...

A random sample of size 15 taken from a normally distributed population revealed a mean of 75 and a variance of 25. The upper limit of a 95% confidence interval for the population mean would equal: O...

I need help with problem 7.7, problem 11, and the third problem. I'm trying to understand how to solve them. I included both the z-table and t-table below, if possible Table II Normal Curve Areas 0 Z...

2. The mean and standard deviation of the blood sugar level of randomly selected 50 patients in a hospital are 130mg/dl and 4.6 mg/dl, respectively. a. Determine the point estimate of the population...

How did the decline in lending standards contribute to the financial meltdown of 2008?

A stepped shaft of solid circular cross sections (see figure) has length L = 45 in., diameter d2 = 1.2 in., and diameter d1 = 1.0 in. The material is brass with G = 5.6 ( 106 psi. Determine the...

Discount Factor Calculation (8% WACC): G2: = 1 / (1 + 8%)^A2 Drag the formula from G2 down to G11 to calculate the discount factor for each year. clarify this using numbers

What type of interface is automatically placed in an " up " state?

Message Strategies: Persuasive Business Messages [LO-3] Your new company, WorldConnect Language Services, started well and is going strong. However, to expand beyond your Memphis, Tennessee, home...

Message Strategies: Requests for Action [LO-2] Managing a new-product launch can be an aggravating experience as you try to coordinate a wide variety of activities and processes while barreling...

Message Strategies: Requests for Action [LO-2] You appreciate how important phones are to your companys operations, but the amount of conversational chatter in your work area has gotten so bad that...