In a statistics activity, students are asked to spin a penny and a dime and determine the proportion of times that each lands with tails up. The students believe that since a dime is lighter, it will have a lower proportion of times landing tails up compared to the penny. The students are instructed to spin the penny and the dime 30 times and record the number of times each lands tails up. For one student, the penny lands tails side up 18 times, and the dime lands tails side up 20 times. Let pp = the true proportion of times a dime will land tails up and pp = the true proportion of times a penny will land tails up. Whích of the following is the correct standardized test statistic and P- value for the hypotheses, H Po-Pp-0 and H, Po-Pp<0?

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In a statistics activity, students are asked to spin a penny and a dime and determine the proportion of times that
each lands with tails up. The students believe that since a dime is lighter, it will have a lower proportion of times
landing tails up compared to the penny. The students are instructed to spin the penny and the dime 30 times and
record the number of times each lands tails up. For one student, the penny lands tails side up 18 times, and the
dime lands tails side up 20 times. Let pp = the true proportion of times a dime will land tails up and pp = the true
proportion of times a penny will land tails up. Which of the following is the correct standardized test statistic and P-
value for the hypotheses, H Pp-P,0 and H Po-P,<0?
Find the z-table here,
O z=0.60 -0.63
10.6310.37)
60
P-value=0,592
0.60 - 0.67
O z-
P-value =0.296
T0.63X0.37) , (0.63I0,37)
30
30
0.60 -0.67
TI0.6010.40) , (0.67)0.33)
P-value = 0.296
Mark this and retum
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Transcribed Image Text:In a statistics activity, students are asked to spin a penny and a dime and determine the proportion of times that each lands with tails up. The students believe that since a dime is lighter, it will have a lower proportion of times landing tails up compared to the penny. The students are instructed to spin the penny and the dime 30 times and record the number of times each lands tails up. For one student, the penny lands tails side up 18 times, and the dime lands tails side up 20 times. Let pp = the true proportion of times a dime will land tails up and pp = the true proportion of times a penny will land tails up. Which of the following is the correct standardized test statistic and P- value for the hypotheses, H Pp-P,0 and H Po-P,<0? Find the z-table here, O z=0.60 -0.63 10.6310.37) 60 P-value=0,592 0.60 - 0.67 O z- P-value =0.296 T0.63X0.37) , (0.63I0,37) 30 30 0.60 -0.67 TI0.6010.40) , (0.67)0.33) P-value = 0.296 Mark this and retum Save and Exit Next Submit & 5 6. 8
dime lands tails side up 20 times. Let P6
proportion of times a penny will land tails up. Which of the following is the correct standardized test statistic and P-
value for the hypotheses, H Pp-P 0 and H, Pp-Pp<0?
Find the z-table here.
0.60-0.63
O z-
K0.6310.37)
60
P-value=0,592
O z=-
0.60-0.67
P-value = 0.296
10.63X0.37), (0.63)(0.37)
30
30
0.60 -0.67
O z=
P-value = 0.296
(0.60)0.40), (0.67)(0.33)
30
30
0.67-0.60
P-value = 0,592
10.6010.40) (0.67)10.33)
30
30
Mark this and retum
Next
Save and Exit
Submit
%
&
4.
8.
9.
m
Transcribed Image Text:dime lands tails side up 20 times. Let P6 proportion of times a penny will land tails up. Which of the following is the correct standardized test statistic and P- value for the hypotheses, H Pp-P 0 and H, Pp-Pp<0? Find the z-table here. 0.60-0.63 O z- K0.6310.37) 60 P-value=0,592 O z=- 0.60-0.67 P-value = 0.296 10.63X0.37), (0.63)(0.37) 30 30 0.60 -0.67 O z= P-value = 0.296 (0.60)0.40), (0.67)(0.33) 30 30 0.67-0.60 P-value = 0,592 10.6010.40) (0.67)10.33) 30 30 Mark this and retum Next Save and Exit Submit % & 4. 8. 9. m
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