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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.

  1. Reject H0 if z > 1.282
  2. 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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