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MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Do question D

Transcribed Image Text:Name:
2. Use question 1 to help answer question 2: An article in the local paper claims that the average amount
spent in a visit to a fast food restaurant at least $20. Is the fast food restaurant in problem # 1 unusually
diw how
cheap? (Conduct a hypothesis test to answer this question. Use a 5% level of significance.) Assume that the M= 2
amount people spend is approximately normally distributed.
a) Ho: M≤29
anianstob of boibute as insusies bool last is bro de to slam m
x=
om 101 alsom bobuloni arabio smo?) 15610 sd to (Blob 129son prit of bobaug)
Hi M >20 (Claim
81
er
M20
b) Is this a right-tailed, two-tailed or left-tailed test?
bas
right Taled
vol odi fode.I sjeb saodi Tol atolq 19laidw bas-xod s soleM (s
.neibom or bas eslinsup bridi
c) Compute the z score. Show the appropriate computation.ode asaaslo xia riw older you upeita oxBM (d
Cannot be
(бизират
Determined
29hebou082281
etimi I 22610
d) Find the p-value for the sample test statistic. Sketch of the appropriate curve and label the test
statistic and p-Value on the sketch.
P
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