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Answer:
Step-by-step explanation:
Given that for a sample size of 25, sample mean = 102 lbs. and sample std deviation = 10 lbs.
(Right tailed test)
Given that we assume population is normally distributed
Test statistic:
Mean difference = +2
Std error of sample =
t = test statistic = Mean diff/Std error
degree of freedom
Critical value of t = 1.711
Our test statistic >1.71
Accept alternate hypothesis
Because there is significant difference between the test statistic and test statistic lies above critical value.
The maximum amount can Carmen purchase so that after her store bucks and discount are applied is
Further Explanation:
Given:
Carmen has in store bucks.
A discount coupon for a local department store.
The total amount should be less than before sales tax.
Explanation:
Consider the amount of the purchase as A.
The Carmen has in store bucks.
The new amount will be
There is a discount coupon for a local department store.
The amount after discount can be calculated as follows,
The total amount should be less than before sales tax.
The maximum amount can Carmen purchases so that after her store bucks and discount are applied can be calculated as follows,
The maximum amount can Carmen purchase so that after her store bucks and discount are applied is
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Answer details:
Grade: High School
Subject: Mathematics
Chapter: Linear inequality
Keywords: Tax, returns, filed, tax return, Carmen, store bucks, department store, maximum, dollar, amount, Carmen purchase, discount, 25% discount coupon, coupon, sales tax.