NEED HELP!!!

NEED HELP!!!

Historically, a manufacturer finds that 1% of integrated circuits of a certain type fail during burn-in testing. Burn-in testing results (pass/fail) on the latest shipment of 10,500 circuits are to...

A sample of 100 apparently normal adult males, 25 years old, had a mean systolic blood pressure of 125. If it is felt that the population standard deviation is 15, find: a) the 90%...

Ho: σ = 5.2 α = 0.01 n = 23 s = 6.1 H1: σ > 5.2

Assume that the data has a normal distribution, n = 45 and that σ is known. Find the appropriate critical value used to test a null hypothesis about a mean with α = 0.05 for a right-tailed test....

Cans of regular soda have volumes with a mean of 13.39 13.39 oz and a standard deviation of 0.12 0.12 oz. Is it unusual for a can to contain 13.61 13.61 oz of soda

Kindlu send me the answer

Kindly send me the answer

A study of PSA blood test for diagnosing prostate cancer in men used a sample of 2620 men in the Albuquerque metropolitan area, who were 40 years of age and older that represent a variety of ethnic...

A. Make a table of the possible moves and the probability of each ? B. what is the expected value of the move ? C. what is the standard deviation?

Stepwise solution please

Previously, 4% of mothers smoked more than 21 cigarettes during their pregnancy. An obstetrician believes that the percentage of mothers who smoke 21 cigarettes or more is less than 4% today. She...

Four cubes. each with faces numbered 1 to 6 are rolled. To the nearest one thousandth, what is the probability that the largest of the 4 scores is a 6? a)0.096 b)0.386 c)0...

Based on a Harris poll 20% of adults smoke. If 2 adults are randomly selected what is the probability that they both smoke?

On a comparison test of 3 brands (Brand A, B, C) among 200 people Brand A (the focus) has their product evaluated in either first or second position among the 200 people. The test only compared two...

Please find the solution

A friend lends you $440, which you agree to repay with 5% interest. How much will you have to repay?

A friend lends you $440, which you agree to repay with 5% interest. How much will you have to repay?

A random sample of 39 cows was fed a special high-protein grain for a month. Each was weighed before and after and the average weight gained was 6.7 pounds, with standard deviation 7.1. i...

A publisher reports that 67% of their readers own a particular make of car. A marketing executive wants to test the claim that the percentage is actually different from the reported percentage. A...

A survey claims that 9 out of 10 doctors (i.e., 90%) recommend brand Z for their patients who have children. To test this claim against the alternative that the actual proportion of doctors who recommend...