You have an outdoor swimming pool that is 5.0 m wide and 12.0 m long. If weekly evaporation is 2.35 in, how many gallons of wate
1 answer:
Answer:
Water should be greater than 946.11 gallons per week to prevent the pool from drying.
Step-by-step explanation:
You have an outdoor swimming pool that is 5.0 m wide and 12.0 m long.
The height of water evaporated is = 2.35 inch
We will convert this to m.
1 inch = 0.0254 meter
So, 2.35 inch = meter
Now, volume of water in the pool = cubic meter per week.
1 cubic meter = 264.172 gallons
So, 3.5814 cubic meter = gallons
Hence, the volume of the water that should be poured in the swimming pool should be greater than 946.11 gallons per week to prevent the pool from drying.
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Answer:
The customer can conclude that the company's claim is correct
Step-by-step explanation:
The percentage of lids that has a free yogurt coupon = 20%
The number of cups a loyal customer purchases = 85 yogurt cups
The number of cups that contained a coupon = 12 (14.1%)
The confidence interval performed = 99% confidence interval for the proportion of yogurt cups containing coupon codes
The interval obtained = (0.044, 0.238)
Therefore, the range of proportion within which the true proportion exists is 0.044 < < 0.238
The range of percentage within which the true percentage exist is therefore;
0.044 × 100 = 4.4% < × 100 < 0.238 × 100 = 23.8%
Given that the possible true percentage of lids that has a coupon is between 4.4% and 23.8% at 99% confidence level, the customer can conclude that only 12 of his yogurt cup contained coupon by chance and that the company's claim is correct.