The x is a value you have 2 hours m for minutes and your x what u do is draw the shape write the numbers beside the shape and find the area look at the pic for a example.
What is this person and what is he
1 answer:
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Answer with explanation:
The 90% confidence interval (51%, 61%) for proportion means that the proportion of getting heads lie in it.
Given : Total number of times coin is tossed = 250
Number of times they got head =140
The probability of getting a head = 0.56
The confidence interval for proportion is given by :-
Given significance level :
Critical value :
Now, the 90% confidence interval for proportion will be :-
Hence, the given confidence interval is correct.