A simple random sample of size n = 75 is obtained from a population whose size is N = 10,000 and whose population proportion with a speciﬁed characteristic is p = 0.8.
Answer to relevant QuestionsA simple random sample of size n = 200 is obtained from a population whose size is N = 25,000 and whose population proportion with a speciﬁed characteristic is p = 0.65. According to a study done by the Pew Research Center, 39% of adult Americans believe that marriage is now obsolete. (b) What is the probability that in a random sample of 500 adult Americans less than 38% believe that ...In this section, we assumed that the sample size was less than 5% of the size of the population. When sampling without replacement from a ﬁnite population in which n > 0.05N, the standard deviation of the distribution of ...One question asked in the General Social Survey was this: “How many e-mails do you send in a day?” The results of 928 respondents indicate that the mean number of e-mails sent in a day is 10.4, with a standard deviation ...The campus at Joliet Junior College has a lake.A student used a Secchi disk to measure the clarity of the lake’s water by lowering the disk into the water and measuring the distance below the water surface at which the ...
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