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This test: 35 point(s) possible E Test: Midterm 2 (Spring 22) - You have two Test: Midterm 2 (Spring 22) -You have two Question 12
Test: Midterm 2 (Spring 22) -You have two Question 12 of 17 This test: 35 point(s) possible This question: 3 point(s) possible Submi Assurne that he amounts of weght that male college students gain during their freshman year are normally distributed with a mean of = 1 1 kg and a standard deviation of o = 4 8 kg. Complete parts (a) through (c) below. Nen question a- If 1 male c:oKege student is randcrrtly selected, find the probability tlat he gains between O kg and 3 kg during freshman year The is O. (Ro.-nd to four deam.al paces as b. tf 9 maie coe studerts are randomly selected. find probability that ther mean weight gam during freshman year is between O kg and 3 kg. Tre s to to' places as needed.) c- Why can he r.orma disibutm be used part even tho.h sample sae does not exceed 30? O Since he gnpulabon has a r.orrnal d.strbubon, he Ostrbubon of sample means is a normal for any sample size. O B. Sinc:e he Of tndivduais. rot sample rneans, he distributbn is a normal distribubon for any sample size O C. S.nce he we.t gaun exceeds 30. of sarnpie means is a rorrnal &stribubon for any sam* size. O D. Sr me is 01 sampa means. rot indrviduals. he distributon a normal distrbution for any sample size.
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