Question
A coin was flipped 60 times and came up heads 38 times. At the .10 level of significance, is the coin biased toward heads? (a-1)
A coin was flipped 60 times and came up heads 38 times. At the .10 level of significance, is the coin biased toward heads? (a-1)H0: .50 versus H1: > .50. Choose the appropriate decision ruleat the .10 level of significance.
- Reject H0 if z > 1.282
- Reject H0 if z < 1.282
multiple choice 1
- a
- b
(a-2) Calculate the test statistic.(Carry out all intermediate calculations to at least 4 decimal places. Round your final answer to 2 decimal places.) (a-3) The null hypothesis should be rejected. multiple choice 2
- True
- False
(a-4) The true proportion is greater than .5. multiple choice 3
- True
- No evidence to support
(b-1) Find the p-value.(Round your answer to 4 decimal places.) (b-2) Is the coin biased toward heads? multiple choice 4
- Yes
- No
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