oh Sppose en lergts d hman pregnanoes are formaly distrtied with ?-286 drys and

Question

oh Sppose en lergts d hman pregnanoes are formaly distrtied with ?-286 drys and o.16deys. Co plete pasia0and(b) Provide one inerpretation of the area Select the correct dholoe below and tll in the answer boxes to complete your choice Type Integers or decimals. Do not ound OA The proportion of human preganies hat st more thn days is Provide a second inerpretation of the aea Select the comedt dhoice below and Type inegers or decimais Do not mound ) in the anwer boxes to complete your choice not round Use a seond boses to

Explanation / Answer

(a)
For the area to the left of 230,
B. The proportion of human pregnancies that last less than 230 days is 0.0122

B. The probability that a randomly selected human pregnancy lasts less than 230 days is 0.0122

(b)
For the area between x = 280 and x = 295,
B. The proportion of human pregnancies that last between 280 and 295 days is 0.1558

A. The probability that a randomly selected human pregnancy lasts between 280 and 295 days is 0.1558

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