Question

The lifetime of a particular component is normally distributed with a mean of 1000 hours and a standard deviation of 100 hours. Find the probability that a randomly drawn component will last between 800 and 950 hours.

Tagged in

Find answers to questions asked by student like you

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you bel...

A: The sample size is obtained as follows:

Q: 10.In a study we reject Ho Which of the following statements are incorrect and why? (a) "Now we know...

A: Hey, since multiple questions are posted, we will answer first question only according to our policy...

Q: what is the central limit Theorem?

A: Central Limit Theorem:The central limit theorem states that as the sample size increases the sample ...

Q: A gumball machine has just been filled with 50 black, 150 white, 100 red, and 100 yellow gumballs th...

A: Multiplication Rule:Multiplication rule for two dependent events A, and B is given by:

Q: The average salary for American college graduates is $43,900. You suspect that the average is differ...

A: (a)The conditions for the t-distribution is appropriate as given below:If the sample size is larger ...

Q: You wish to assess whether Los Angeles has an equitable distribution of police services among its pr...

A: In testing of hypothesis, two statements about the population, which are opposite to each other are ...

Q: A researcher is interested in conducting a mail survey. He finds out that there is a 40% response ra...

A: The probability that exactly one responds is,

Q: 6.2 Dental Insurance You plan to purchase dental insurance TRY for your three remaining years in sch...

A: a.Random variable:A random variable, usually denoted as X, is a variable whose possible values are n...

Q: In each of the following studies, a single samples mean is being compared to a population with a kno...

A: a)It is given that sample size is 16, sample mean (M) is 100.98, population mean is 100.31 and test ...