Confidence interval for population proportion of suitcase

Assignment Help Basic Statistics
Reference no: EM131373550

Money magazine is on a search for the indestructible suitcase.

If in a test of the Helium Fusion Expandable Suiter, 85 suitcases out of a sample of 100 randomly tested survived rough handling at the airport, give a 90% confidence interval for the population proportion of suitcases of this kind that would survive rough handling.

Question is the uniform probability

Consider a spinner that, after a spin, will point to a number between zero and 1 with "uniform probability". Determine the probability: P(1⁄6 ≤ X ≤ 17⁄30).

Determine critical value for z test

Determine the critical region and critical values for z that would be used to test the null hypothesis at the given level of significance, as described in each of the follow

Compare probability of as success to that of what is bs su

A has one share in a lottery in which there is 1 prize and 2 blanks; B has three shares in a lottery in which there are 3 prizes and 6 blanks. Compare probability of A's succe

Probability mass function and distribution function

Determine and plot the probability mass function and probability distribution function of the contract award amount (in millions of dollars).

Finding minimum sample size using the mean scores

What is the minimum sample size needed in order for you to be 95% confident that your estimate is within 5 of µ? Use the value 20 for the population standard deviation of scor

Create indicated confidence interval for population mean

Create the indicated confidence interval for population mean using (a) t-distribution. (b) If you had incorrectly used normal distribution, which interval would be wider?

Determining the probability of blood donors

Problem: Screening for infectious diseases in a blood-bank setting is a major part of ensuring blood safely. At a local clinic, subject's blood donations are tested for infe

Lognormal distribution with a mean problem

Following a lognormal distribution with a mean of 3000 rpm and std deviation of 0.87, what if the boss want a 5% chance of HW failure before selling, how often would I have

Write a Review 