MAT220.33: Statistics I [MOD1 ONLINE (8/27-10/21/2018)] alisa Barnes&/23/18 107
ID: 3073094 • Letter: M
Question
MAT220.33: Statistics I [MOD1 ONLINE (8/27-10/21/2018)] alisa Barnes&/23/18 107 est: POST UNIT 4 Test CH 6 & Subme his Question: 1 pt 9 of 13 (12 complete) This Test 13 pts pos Question Holp Suppose the lengthes of human progancies are nomally distmbuted with 26 days and 16 days. Complete parts (a) and oj) beliow night represents the normal curve with p 266 days and o- 16 days. The anea to the leth of X-230 s 0 0122 Povide two intergretations of this ane Provide one interpretation of the area. Select the comect choice bekow and fll (Type integers or decimals. Do not round) ®A. The proportion of hunan progwees that last less thandays is O B. The proportion of human pregnancies that last mone than days is n the answer boxes to complete your choice Provide a second interpretation of the area Select the cormect choice below and fil in the answer boxes to complete your choice (Type integers or decimals. Do not round) O A. The probability that a randomly selected human pregnancy lasts more than days is e B. The probability that a randomly selected human pregnancy lasts less thandaysi (b) The fgre to the right represents the normal curve wth:266 days and6 days The area between x = 290ardx.306soosa4Prowde two interpetations of ths nea Click to select and enter your answer(s) 10:07Explanation / Answer
Solution:-
Mean = 266, S.D = 16
a) (A) The proportion of Human pregnancies that last less than 230 days is 0.0122.
(B) The probability that the random seleceted Human pregnancy lasts less than 0.0122.
b) (A) The proportion of Human pregnancies that last between 290 and 305 days is 0.0594.
(A) The probability that a randomly selected Human pregnancies that last between 290 and 305 days is 0.0594.
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