A new car is designed to run a mean of at least 50 000, Ask an Expert

Statistics

Question: A new car is designed to run a mean of at least 50 000 kilometers before its first tune-up. Tests with 30 cars show a sample mean of 49 500 kilometers and a sample standard deviation of 1000 kilometers.

a. Develop the null and alternative hypotheses most appropriate for testing the claim that the new car can run at least 50 000 kilometers before its first tune-up.

b. Using a .05 level of significance, test whether or not there is sufficient evidence to reject the claim of a mean of at least 50 000 kilometers.

c. What is the p-value?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9390834

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

A what is the purpose of credit analysis discuss the

(a) What is the purpose of credit analysis? Discuss the importance of performing a credit analysis if you are suppliers of credit (i.e., commercial banks, non-bank private financing entities).

1 the r-squared of a linear regression model is equal to

1) The R-squared of a linear regression model is equal to the proportion of the variance of the target explained by a linear regression model. 2). The R-squared of a linear regression model is equal to the proportion of ...

The meantime it takes a technician to resolve this software

The meantime it takes a technician to resolve this software issue is 18 minutes with a standard deviation of 4.2 minutes. This information was obtained from a random sample of 10 monitored calls. A sample of 15 monitored ...

Gven that x is binomially distributed with n 36 and p

Given that X is binomially distributed with n = 36, and p = 0.33, use the normal approximation to the binomial (with correction for continuity) to estimate the probability that X is less than 14? Round your answer to 2 p ...

Below is my attempt at answering a quiz question and i am

Below is my attempt at answering a quiz question and I am seeking feedback (my answers are in bold): The Final Exam scores for all students enrolled in STAT 200 have a mean score of 72. One randomly selected section of S ...

A study shows that 81 of the population of all calculus

A study shows that 81% of the population of all calculus students consider calculus an exciting subject. Suppose 34 students are independently selected from the population. If the true percentage is really 81%, find the ...

A researcher records the following body mass index bmi

A researcher records the following body mass index (BMI) scores for a group of participants: 29.1 1.3 (M SD). Participants who score between 26 and 30 on this scale are categorized as overweight. What proportion of parti ...

Suppose we know the following probabilitiesrepublican

Suppose we know the following probabilities: Republican Democrat Independent Female 0.076 0.191 0.006 Male 0.175 0.013 ? Enter the probability of events Democrat and Female occurring jointly with 3 decimal place accuracy ...

What are the ways that it can help comply with legal

What are the ways that IT can help comply with legal requirements and social responsibilities surrounding the sales of alcohol?

A survey is conducted from a population of people of whom

A survey is conducted from a population of people of whom 65?% have a college degree. The following sample data were recorded for a question asked of each person? sampled, "Do you have a college? degree?" Complete parts ...

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