Normal probability distribution

Assignment Help Basic Statistics
Reference no: EM1311317

An auto repair shop takes an average of 45 minutes to complete a repair job. The owner of the shop has determined the repair time has a standard deviation of 7 minutes. A customer comes into the shop and states that she will return in 35 minutes -- at which time she must have the car ready to drive off. Using the normal probability distribution, what is the probability the car will be repaired in 35 minutes or less?

Reference no: EM1311317

Questions Cloud

Finding present value and the maturity value : How is interest rate described? Why is there a lower present value of goods to be delivered in future? What are their respective interest rates? Illustrate the adjustments which you think will ensue.
Contingency table problem : If one person is selected at random, what is the probability that person is Female?
Conversions of unit : Perform the following unit conversions for parts (A) in the table below (B) through. Show your work using a step-wise approach.
Description on analyzes of weinbaum’s a martian odyssey : Analyzes of Weinbaum’s A Martian odyssey.Write a critical analyze of Weinbaum’s A Martian odyssey.
Normal probability distribution : By using the normal probability distribution, what is the probability the car will be repaired in 35 minutes or less?
Purpose a classified balance sheet for simon company : Purpose a classified balance sheet for Simon Company at December 31, 2006 - prepare a classified balance sheet for Simon Company at December 31, 2006.
Essay on american women: education and rights : American Women: Education and Rights.Write the essay about American Women: Education and Rights.
Repairers claim-standard deviation : You find that a random sample of five microwave ovens has a mean repair cost of $75 and a standard deviation of $12.50. At α = 0.01, do you have enough evidence to support the repairer's claim?
Evaluate the missing quantity : Use the expanded accounting equation to compute the missing quantity.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Show the pareto chart of the data

A restaurant monitors its customer's complaints,  With information, which of the following is a Pareto chart of the data?

  What is the sample space for this process

What is the sample space for this process and evaluate the variance of the intelligence scores

  Plan the scatter diagram

Plan the scatter diagram

  State the values of the coefficient of correlation

State the values of the coefficient of correlation and coefficient of determination correct to three decimal places

  Determine - test the hypotheses

A bank wants to get new customers for their credit card. They try two different approaches in their marketing campaign. The first promises a "cash back" reward; the second promises low interest rates. A sample of 500 people are mailed the first br..

  Probability in random selection

A recent census of a small town in Michigan showed that 60% of the residents are male, 20% have college degrees, and 15% are both male and college graduates.

  Confidence interval estimate for the proportion

The margin of error for a 95% confidence interval estimate for the proportion of all students with cell phones is

  Compute descriptive statistics for each stock

Compute descriptive statistics for each stock and the S&P 500. Comment on your results. Which stocks are the most volatile? Compute the value of beta for each stock. Which of these stocks would you expect to perform best in an up market? Which..

  Regression model

The average number of putts per hole for each player and their average driving distance is used to predict their total winnings using the multiple regression model where the deviations εI are assumed to be independent and Normally distributed with..

  Briefly address the data analysis process

Describe and analyze your quantitative data and Briefly address the data analysis process.

  Probabilities of the given events

In a binomial distribution n = 8 and π = 0.2. Determine the probabilities of the following events.

  Compute a 95% confidence interval for the mean

Compute a 95% confidence interval for the mean using the formula and where is the mean of the ten random numbers.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd