straighterine CALL (855)836-4203 LIVE CHAT HELP CENTER COURS SAMPLING DISTRIBUTI

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straighterine CALL (855)836-4203 LIVE CHAT HELP CENTER COURS SAMPLING DISTRIBUTIONS SAMPLING DISTRIBUTIONS CHECKPOINT Question 1 of 6 in june 2005, a survey was conducted in which a random sample of 1,464 U.s. adults was asked the following question: Tn 1973 woman's constitutional right to an abortion, at least in the first three months of pregnancy. Would you like to see the Supreme Court com decision, or not? The results were: Yes-30%, No-63%, Unsure-7% (Source: www Pollingreport.com) Which of the following is true? pletely overturn its Roe versus W 30%, 63%, ard 7% are all parameters. 30%, 63«. and 7% are all statistics. If another random sample of size 1,464 US. aduts were to be chosen we would expect to get the exact same distribution of answers Both A) and (c) are correct Both (8) and (C) are correct The next three questions refer to thef

Explanation / Answer

1)
option B) is correct
2)
option A) is correct
3)
option C) is correct
4)
option C) is correct
sd = sqrt(pq/n)
5)
option D) is correct
6)
p^ = 0.20 , n = 400
sd = sqrt(pq/n) = sqrt(0.2*0.8/400) = 0.02
P(0.16 < p < 0.24)
= P ( ?2<Z<2 )=0.9544
hence
C) is correct

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