4. Consider a variable z that has s standardized normal distribution. Determine the following probabilities. a. P(0< Z 1.645) c. P(1.28< Z ≤2.33) d. P(-2≤ Z ≤ 3) e. P(-1.00 < z < 1.00)

Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four decimal places.)   ? = 8; ? = 2 P(7 ≤ x ≤ 11) =    ? = 40; ? = 16 P(50 ≤ x ≤ 70) =    ? = 13.6; ? = 3.1 P(8 ≤ x ≤ 12) =    ? = 26; ? = 3.4 P(x ≥ 30) =    ? = 104; ? = 15 P(x ≥ 90) =

Q: Assume that the random variable Z follows a standard normal distribution.  Select the appropriate answer for the following graph.

K Suppose x is a normally distributed random variable with p=11 and o=2. Find each of the following probabilities. a. P(x2 12.5) b. P(x≤7) c. P(11.54 ≤x≤ 16.24) d. P(6.22 ≤x≤ 14.12) Click here to view a table of areas under the standardized normal curve. a. P(x 2 12.5)= (Round to three decimal places as needed.) b. P(x ≤7) = (Round to three decimal places as needed.) c. P(11.54 ≤ x ≤ 16.24) =(Round to three decimal places as needed.) d. P(6.22 ≤x≤ 14.12) = (Round to three decimal places as needed.) Time Remaining: 01:20:49 Next 2 Weeks questions

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