Mathematics, 16.04.2020 01:00 jamiyacrawford7
Let Z be a standard normal random variable and calculate the following probabilities, drawing pictures wherever appropriate. (Round your answers to four decimal places.) (a) P(0 ≤ Z ≤ 2.87) .9979 Incorrect: Your answer is incorrect. (b) P(0 ≤ Z ≤ 2) .9772 Incorrect: Your answer is incorrect. (c) P(−2.20 ≤ Z ≤ 0) .0139 Incorrect: Your answer is incorrect. (d) P(−2.20 ≤ Z ≤ 2.20) .9633 Incorrect: Your answer is incorrect. (e) P(Z ≤ 1.01) .8438 Correct: Your answer is correct. (f) P(−1.95 ≤ Z) .0256 Incorrect: Your answer is incorrect. (g) P(−1.20 ≤ Z ≤ 2.00) .8621 Correct: Your answer is correct. (h) P(1.01 ≤ Z ≤ 2.50) 0.15 Correct: Your answer is correct. (i) P(1.20 ≤ Z) .8849 Incorrect: Your answer is incorrect. (j) P(|Z| ≤ 2.50) .9938 Incorrect: Your answer is incorrect.
Answers: 3
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Let Z be a standard normal random variable and calculate the following probabilities, drawing pictur...
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