Mathematics, 23.06.2019 00:00 nadiachinkatok78

# The state of california has a mean annual rainfall of 22 inches, whereas the state of new york has a mean annual rainfall of 42 inches ( current results website, october 27,2012). assume that the standard deviation for both states is 4 inches. a sample of 30 years of rainfall for california and a sample of 45 years of rainfall for new york has been taken. a. show the probability distribution of the sample mean annual rainfall for california. b. what is the probability that the sample mean is 1 inch of the population mean for california? c. what is the probability that the sample mean is within 1 inch of the population mean for new york? d. in which case, part (b) or (c), is the probability of obtaining a sample mean within 1 inch of the population mean greater? why?

Answers: 2

Mathematics, 21.06.2019 19:50

Raj encoded a secret phrase using matrix multiplication. using a = 1, b = 2, c = 3, and so on, he multiplied the clear text code for each letter by the matrix to get a matrix that represents the encoded text. the matrix representing the encoded text is . what is the secret phrase? determine the location of spaces after you decode the text. yummy is the corn the tomato is red the corn is yummy red is the tomato

Answers: 2

Mathematics, 21.06.2019 20:00

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?

Answers: 3

Mathematics, 21.06.2019 21:00

Plzthe board of directors of a company knows that the probability that carbon emissions from the company’s factory exceed the permissible level is 35%. they hire a consultant who uses a carbon footprint calculator to test the emissions level. the accuracy of the test is 85%. the probability that carbon emissions from the factory are within the permissible level and the test predicts the opposite to be true is (blank)

Answers: 1

The state of california has a mean annual rainfall of 22 inches, whereas the state of new york has a...

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