briannamaee13
01.12.2020 •
Mathematics
Suppose the proportion of the population in favor of a new law is 0.60. (a) (3 points) Suppose you take a sample of size n = 500. What is the probability that your sample proportion is 0.55 or lower? (b) (3 points) Suppose that you take a sample of size n = 400 and find the sample proportion pˆ = 0.70. How many standard deviations is pˆ from the mean of the distribution of all sample proportions?
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Ответ:
100
Step-by-step explanation:
It needs to equal 160
80+80=160
360-160=200
200/2=100