Two stores sell the same television for the same original price. Store A
2 answers:
Answer:
0.7p = (p - 250)
Step-by-step explanation:
Let the original price of the television is $p.
Store advertises that the television was on sale with 30% off the original price p.
So the price of television after 30% discount = p - 30% of the original price
= p -
= p - 0.30p
= 0.70p
Other store B reduced the price of television by $250
So the cost of television after discount = p - 250
When Allison compared the prices in both the stores, prices of the television were equal.
Equation that models the situation will be
0.70p = (p - 250)
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Answer:
The value of the test statistic is 4.70.
Step-by-step explanation:
The hypothesis for this test can be defined as follows:
<em>H</em>₀: Men do not spend more than women on St. Patrick's day, i.e. μ₁ = μ₂.
<em>H</em>ₐ: Men spend more than women on St. Patrick's day, i.e. μ₁ > μ₂.
The population standard deviations are not known.
So a <em>t</em>-distribution will be used to perform the test.
The test statistic for the test of difference between mean is:
Given:
Compute the value of the test statistic as follows:
Thus, the value of the test statistic is 4.70.