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Converting to the standard normal random variable z, the probability statement P(x ≤ 19.5) is now P(z S-2.14). Recall that the normal probability table gives the area under the curve to the left of a giv value. An excerpt is given below. 0.00 0.01 0.02 0.03 0.04 0.05 0.06 -2.2 0.0139 0.0136 0.0132 0.0129 0.0125 0.0122 0.0119 -2.1 0.0179 0.0174 0.0170 0.0166 0.0162 0.0158 0.0154 0.0217 0.0212 0.0207 0.0202 0.0197 -2.0 0.0228 0.0222 Z 0.09 0.07 0.08 0.0116 0.0113 0.0110 0.0150 0.0146 0.0143 0.0192 0.0188 0.0183 Use the above table to find the probability that fewer than 20 adults in the group smoke, P(Z S-2.14), rounding the result to four decimal places. P(Z S-2.14) = 0.0170 x

Converting to the standard normal random variable z, the probability statement P(x ≤ 19.5) is now P(z S-2.14). Recall that the normal probability table gives the area under the curve to the left of a giv value. An excerpt is given below. 0.00 0.01 0.02 0.03 0.04 0.05 0.06 -2.2 0.0139 0.0136 0.0132 0.0129 0.0125 0.0122 0.0119 -2.1 0.0179 0.0174 0.0170 0.0166 0.0162 0.0158 0.0154 0.0217 0.0212 0.0207 0.0202 0.0197 -2.0 0.0228 0.0222 Z 0.09 0.07 0.08 0.0116 0.0113 0.0110 0.0150 0.0146 0.0143 0.0192 0.0188 0.0183 Use the above table to find the probability that fewer than 20 adults in the group smoke, P(Z S-2.14), rounding the result to four decimal places. P(Z S-2.14) = 0.0170 x

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Converting to the standard normal random variable z, the probability statement P(x ≤ 19.5) is now P(Z < -2.14). Recall that the normal probability table gives the area under the curve to the left of a given z value. An excerpt is given below. 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 -2.2 0.0139 0.0136 0.0132 0.0129 0.0125 0.0122 0.0119 0.0116 0.0113 0.0110 -2.1 0.0179 0.0174 0.0170 0.0166 0.0162 0.0158 0.0154 0.0150 0.0146 0.0143 -2.0 0.0228 0.0222 0.0217 0.0212 0.0207 0.0202 0.0197 0.0192 0.0188 0.0183 Z Use the above table to find the probability that fewer than 20 adults in the group smoke, P(Z < -2.14), rounding the result to four decimal places. P(Z ≤ 2.14) = 0.0170 X
Transcribed Image Text:Converting to the standard normal random variable z, the probability statement P(x ≤ 19.5) is now P(Z < -2.14). Recall that the normal probability table gives the area under the curve to the left of a given z value. An excerpt is given below. 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 -2.2 0.0139 0.0136 0.0132 0.0129 0.0125 0.0122 0.0119 0.0116 0.0113 0.0110 -2.1 0.0179 0.0174 0.0170 0.0166 0.0162 0.0158 0.0154 0.0150 0.0146 0.0143 -2.0 0.0228 0.0222 0.0217 0.0212 0.0207 0.0202 0.0197 0.0192 0.0188 0.0183 Z Use the above table to find the probability that fewer than 20 adults in the group smoke, P(Z < -2.14), rounding the result to four decimal places. P(Z ≤ 2.14) = 0.0170 X
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