A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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Transcribed Image Text:On their website, a property management company states that the mean monthly rent for apartments on the east side of town is $750. A researcher for a
consumer advocacy group believes that, due to the construction of newer apartment complexes in neighboring towns, the mean monthly rent on the east side,
H, is now lower. A random sample of 11 monthly rents for apartments on the east side has a mean of $737, with a standard deviation of $22.
Assume that current monthly rents for apartments on the east side are approximately normally distributed. Based on the sample, is there enough evidence to
conclude, at the 0.10 level of significance, that the population mean monthly rent is now less than what is stated the website?
Perform a one-tailed test. Then complete the parts below.
Carry your intermediate computations to three or more decimal places. (If necessary, consult a list of formulas.)-
(a) State the null hypothesis Ho and the alternative hypothesis H₁.
H₂ : O
H₁ :0
(b) Determine the type of test statistic to use.
(Choose one) ▼
(c) Find the value of the test statistic. (Round to three or more decimal places.)
(d) Find the p-value. (Round to three or more decimal places.)
(e) Can we conclude that the mean monthly rent for apartments on the east side
is less than what is stated on the website?
O Yes O No
F
X
0
0*0
O
x
S
2
00
Р
0=0 OSO 020
P
5
Olo
0<0 O>0
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