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tabbywitherite84
21.03.2020 •
Business
Garden, Inc., a qualifying § 501(c)(3) organization, incurs lobbying expenditures of $210,000 during the taxable year. Exempt purpose expenditures are $900,000. If Garden makes the election under § 501(h) to make lobbying expenditures on a limited basis, its tax liability resulting from the lobbying expenditures is:
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Ответ:
The P-Value ≅0 (zero).
Explanation:
From the given data we have
Regular coffee drinkers sample size = n1 = 50
Decaffeinated-coffee drinkers sample size = n2= 40
Regular coffee drinkers sample mean= x1 = 4.35
Decaffeinated-coffee drinkers sample mean = x2= 5.12
Regular coffee drinkers population standard deviation = σ1 = 1.2
Decaffeinated-coffee drinkers population standard deviation = σ2= 1.36
1) Formulate null and alternate hypothesis
H0: u1≥ u2 Ha: u1 < u2
The null hypothesis is that the mean of the regular coffee drinkers is greater or equal to the mean of decaffeinated-coffee drinkers
against the claim
the mean daily consumption of regular-coffee drinkers is less than that of decaffeinated-coffee drinkers.
2) The test statistic is
z= x1-x2/ sqrt( σ1 ²/n1 + σ2²/n2)
Putting the values
z = 4.35- 5.12/ sqrt( 1.44/50 + 1.8496/40)
z= -5.44
3) The significance level is 0.01
The critical region is Z < -2.33
4) Since the calculated value of z= -5.44 is less than the z ∝= -2.33 we reject H0.
5) the P-value can be calculated using the calculator.
The P-Value is < 0.00001.
P= 0
Which means that the claim is accepted that the mean of the regular coffee drinkers is less than the mean of decaffeinated-coffee drinkers.