Question

Internet Local Men 256 543 799 Women 212 108 320 468 651 1119 16. Use the given table (above) of shopping data by modality and gender to find the indicated probabilities. a. When making a single selection find P(Internet or Men) a) 0.800 b) 0.903 c) 0.811 d) 0.798 e) None of the above b. When making two selections without replacement find P(Women and Women) a) 0.0286 b) 0.0834 c) 0.0571 d) 0.0816 e) None of the above C. Find the indicated probability P(Women | Internet) a) 0.453 b) 0.687 c) 0.663 d) 0.782 e) None of the above 17. A survey of 482 students shows 375 have received a flu vaccine this year. Test the claim that the proportion of vaccinated students is less than 81%. a. Find the P-value a) P = 0.0367 b) P = 0.0371 c) P = 0.0257 d) P = 0.0500 e) None of the above b. Will the null hypothesis be rejected? Use an $\alpha = 0.05$ level of significance. a) Yes b) No c) It depends d) Not enough information e) None of the above Page 5 of 9

          Internet Local
Men
256
543
799
Women
212
108
320
468
651
1119
16. Use the given table (above) of shopping data by modality and
gender to find the indicated probabilities.
a. When making a single selection find P(Internet or Men)
a) 0.800
b) 0.903
c) 0.811
d) 0.798
e) None of the
above
b. When making two selections without replacement find P(Women
and Women)
a) 0.0286
b) 0.0834
c) 0.0571
d) 0.0816
e) None of the
above
C. Find the indicated probability P(Women | Internet)
a) 0.453
b) 0.687
c) 0.663
d) 0.782
e) None of the
above
17. A survey of 482 students shows 375 have received a flu vaccine this
year. Test the claim that the proportion of vaccinated students is
less than 81%.
a. Find the P-value
a) P = 0.0367
b) P = 0.0371
c) P = 0.0257
d) P = 0.0500
e) None of the
above
b. Will the null hypothesis be rejected? Use an $\alpha = 0.05$ level of
significance.
a) Yes
b) No
c) It depends
d) Not enough
information
e) None of the above
Page 5 of 9

Internet Local
Men
256
543
799
Women
212
108
320
468
651
1119
16. Use the given table (above) of shopping data by modality and
gender to find the indicated probabilities.
a. When making a single selection find P(Internet or Men)
a) 0.800
b) 0.903
c) 0.811
d) 0.798
e) None of the
above
b. When making two selections without replacement find P(Women
and Women)
a) 0.0286
b) 0.0834
c) 0.0571
d) 0.0816
e) None of the
above
C. Find the indicated probability P(Women | Internet)
a) 0.453
b) 0.687
c) 0.663
d) 0.782
e) None of the
above
17. A survey of 482 students shows 375 have received a flu vaccine this
year. Test the claim that the proportion of vaccinated students is
less than 81%.
a. Find the P-value
a) P = 0.0367
b) P = 0.0371
c) P = 0.0257
d) P = 0.0500
e) None of the
above
b. Will the null hypothesis be rejected? Use an α = 0.05 level of
significance.
a) Yes
b) No
c) It depends
d) Not enough
information
e) None of the above
Page 5 of 9

Added by Luis Miguel B.

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