The confidence interval for the population proportion, p is (0.766, 0.833)
<h3>Confidence interval</h3>
The formula for calculating the confidence interval for proportion is expressed as:
CI = p±√pq/n
Given the following
p = 112/140 = 0.8
q = 1-p = 0.2
Substitute
CI = 0.8±√(0.8)(0.2)/140
CI = 0.8±0.0338
CI = (0.766, 0.833)
Hence the confidence interval for the population proportion, p is (0.766, 0.833)
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There were 4 musicians in the bad last month
Its -2. Because 1-(-7)/-1-3 = 8/-4 = -2
Answer:
9%
Step-by-step explanation: