The titanic had about half as many plates as they did pieces of silverware .About how many plates did they have ?
1 answer:
Answer:
The answer is below
Step-by-step explanation:
1) Since the titanic was scheduled to reach on April 17 after leaving on April 10, this means that 7 days was spent on the voyage. The total amount of meat available was 75000 pounds, hence:
number of meat per day = total amount of meat / number of days = 75000 / 7 = 10714 pounds per day.
2) Total number of silverware is 44000. Hence:
Total plates = half of total silverware = 44000/2 = 22000
3) There are 3000 potatoes in a ton, and a total of 40 tons was available on the titanic. Hence:
Total number of potatoes = 40 tons * 3000 potatoes per ton = 120000 potatoes
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Answer:
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Step-by-step explanation:
For this case we define the random variable X as the number of entry-level swimmers and we are interested about the true population mean for this variable . On specific we want to test this:
Null hypothesis:
Alternative hypothesis:
And the statistic is given by:
The significance level is and since we are conducting a right tailed test we need to find a critical value who accumulate 0.01 of the area in the right of the normal standard distribution and we got:
So we reject the null hypothesis is