The following data represent the number of people aged 25 to 64 years covered by health insurance (private or government) in 2003. Approximate the mean and standard deviation for age. Age...

The following data represent the number of people aged 25 to 64 years covered by health insurance (private or government) in 2003. Approximate the mean and standard deviation for age. Age...

The scores of adults on an IQ test are approximately Normal with mean 110 and standard deviation 17. An organization requires an IQ score of 144 or higher for membership. What percent of adults would...

74 5 66 6 81 8 52 11 73 12 62 15 52 16 45 17 62 18 46 18 60 19 46 20 38 20 y=31.934+(-0.304)x An ecologist uses the line, based on 13 colonies,...

find the probability to get a pair

the probability of a product failure is 0.5%, product success is 99.5% (this is not time dependent). how can I calculate the probability of this product failure over the course of the product life...

12-8.46/3

an urn contains 10 white, 18 red, and 8 blue chips. two chips are drawn without replacement. find the probability of: first chip red, second chip blue a red and a blue chip first...

a die is rolled find the probability of: an even number a number divisible by 3 not a two nor a six not an ace

The CAGE screener for alcohol problems has 4 items, which are: Have you ever felt you should cut down on your drinking? Have people annoyed you by criticizing your drinking? Have...

A random sample is obtained from a population with μ=100 and σ=20 Calculate the standard error for a sample of size n = 4 Calculate the standard error for a sample of size n = 16 Calculate the standard...

The upper arm length of females over 20 years old in a country is approximately Normal with mean 35.1 centimeters (cm) and standard deviation 2.2 cm. Use the 68-95-99.7 rule.

Hi I'm having hard time in Normal distribution shapes Symmetric and Skewed !! How would I differentiate between them !! Help please Thank you

Upper A report about the decline of Western investment in third world countries included this: "After A report about the decline of Western investment in third world countries included this:...

In a large class of 500 students, the mean and standard deviation of a final exam are 65 and 11, respectively If the grades have symmetric distribution, how many students have grades within 2...

In a large class of 500 students, the mean and standard deviation of a final exam are 65 and 11, respectively How many students have grades below 54?

a roulette wheel is spun twice. find the probability of: red first, black second red and black red or green first, red second the number 7 first, green second the number 4 and the...

A and B are independent events. P (A)=.2, P (B)= .8. Find: (a) P( A U B) (b) P( AB)' (c) P( A'B') (d) P( A U B)' (e) P( A' U B')

A and B are independent events. P (A)=.2, P (B)= .8. Find: (a) P( A U B) (b) P( AB)' (c) P( A'B') (d) P( A U B)' (e) P( A' U B')

You are ordering a hamburger and can get up to 8 toppings, but each topping can only be used once. You tell the cashier to surprise you with the toppings you get. What is the probability that you...

________ is the distribution of all values of the statistic when all possible samples of the same size n are taken from the same population. I chose the sampling distribution of a statistic because...