A laundry basket contains 18 blue socks and 24 black socks. What is the probability of randomly picking 2 black socks, without r
1 answer:
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Answer: and
Step-by-step explanation:
In sampling distribution of .
The mean and standard deviation of the sampling distribution of p is given by :-
, where p= population proportion and n= sample size.
Let p be the population proportion of unmarried couples in the United States are mixed racially or ethnically.
As per given , we have
n = 100
p= 14% =0.14
Then, the mean and standard deviation of the sampling distribution of p will be :
Hence, the required answer : and