Marco has a bag of 50 colored marbles.there are 12 blue marbles,18 black marbles,and 20 red marbles.what is the ratio of the num
1 answer:
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Answer:
Confidence limit = [52.8%, 75.2%]
Step-by-step explanation:
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where the value will be taken from the z-table for 95% confidence interval
1-0.95= 0.05/2= 0.025
0.95+0.025= 0.0975
From the z-table the value of corresponding to 0.0975 is 1.96
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so the confidence interval is
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