Suppose the lengths of tur an pregnances are normally distributed with 266 days

Question

Suppose the lengths of tur an pregnances are normally distributed with 266 days and -16 days Complete parts a) and b) below (a) The figure to the right represents the normal curve with -266 days and 16 days The area to the left of X-240 s 0 0521 Provide two nterpretations of this area Provide one interpretation of the area Select the correct choice below and fil in the answer boxes to complete your choice (Type integers decmas Do not round ) OA The proportion of human pregrances that last more thandays is OB. The proportion of human pregnancies that last less than days is Provide a second interpretation of the area Select the correct choice below and fill in the answer boxes to complete your choico Type ntegers or decimais Do not round O A. The probability that a randomly selacted human pregnancy lasts less thian days s Click to select and enter your ansuer(s) 0

Explanation / Answer

a) here P(X<240)=P(Z<(240-266)/16)=P(Z<-1.625)=0.0521

option B:the proportion of human pregnancies that last less then 240 days is 0.0521

second interpretation:

proportion of human pregnancies that last more then 240 days is 0.9479

please revert fir any clarificaiton

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