Find the output, h, when the input, x, is - 18. h=17+ x/6
2 answers:
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Given:
The postal service charges $10.30 per pound on the package shipped to England.
To find:
The rate in dollars per ounce.
Solution:
We know that,
1 pound = 16 ounce
1 Dollar per pound = dollar per ounce.
1 Dollar per pound = 0.0625 dollar per ounce.
We have, the postal service charges $10.30 per pound on the package shipped to England.
Using the above conversion, we get
$10.30 Dollar per pound = dollar per ounce
$10.30 Dollar per pound = dollar per ounce
Therefore, the required rate is $0.64375 per ounce.
Answer:
With a 0.01 significance level and samples of 50 and 40 cofee drinkers, there is enough statistical evidence to state that the mean daily consumption of regular-coffee drinkers is less than that of decaffeinated-coffee drinkers.
The test is a one-tailed test.
Step-by-step explanation:
To solve this problem, we run a hypothesis test about the difference of population means.
The appropriate hypothesis system for this situation is:
Difference of means in the null hypothesis is:
Since, the calculated statistic is less than critical
, the null hypothesis should be rejected. There is enough statistical evidence to state that the mean daily consumption of regular-coffee drinkers is less than that of decaffeinated-coffee drinkers.