54,000 families have incomes less than $20,000 per year. This number of families is 60% of the families that had this income lev
1 answer:
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Answer:
Check Explanation.
Step-by-step explanation:
The histogram displaying the amount spent by the 15 kids in the school cafeteria in one week is shown in the attached image to this answer.
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Answer: Sample size would be 296.
Step-by-step explanation:
Since we have given that
Standard deviation = 4.8 hours
Margin of error = 0.65 hours
At 98% level of confidence, z = 2.33
So, It becomes,
Hence, sample size would be 296.
Answer:
Step-by-step explanation:
use Area=pi *
diameter is 2 * r
so r = 5
pi * = 78.5398
Area * height = volume
78.5398 * 17 = 1335.18
the cylinder holds about 1335