GROWTH DEVELOPMENT CHILD
FORMATIVE ASSESSMENT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The lengths of human pregnancies can be described by a Normal model with a mean of 268 days and a standard deviation of 15 days. What percentage of pregnancies will last at least 300 days?
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1.64%
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98.36%
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12.34%
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56.19%
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Explanation:
Detailed explanation-1: -with a mean of 266 and a standard deviation of 16, we would expect 95% of the data to lie between 266 ± 2(16) days. So, 95% of all pregnancies will last between 234 and 298 days.
Detailed explanation-2: -Assume that the duration of human pregnancies can be described by. a Normal model with mean 266 days and standard deviation 16 days. We would like to estimate the percentage of pregnancies that last be-tween 270 and 280 days.
Detailed explanation-3: -What percent of humans have a pregnancy lasting between 260 and 270 days? 24.49% g.
There is 1 question to complete.