Answer: 32.25 hours?
Step-by-step explanation:
258/8= 32.25
Answer: The required interval is (0.679, 0.821).
Step-by-step explanation:
Since we have given that

So, the proportions would be

So, At 90% confidence interval, the z score value would be
z = 1.65
and the hypothesis are :

So, the 90% confidence interval would be

Hence, the required interval is (0.679, 0.821).
Answer:
Step-by-step explanation:
Coin 1 = quarter
Coin 2 = dine
Coin 3 = penny
Nearest hundred thousand: 100,000
Nearest ten thousand: 130,000
Nearest thousand: 127,000
The closest rounded amount to the actual attendance is the nearest thousand, 127,000.