Determining critical value if alpha is given

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Reference no: EM1321730

1) In right-tailed test at α = .05 we would comfortably reject null hypothesis. Comfortably accept null hypothesis. Feel uncomfortable with either decision (too close)

2) If p-value for this test is 0.025, this p-value means

Probability of getting a sample mean number of shark attacks larger than 36.33, suppose null is true, is quite small.

Probability of getting a sample mean number of shark attacks larger than 36.33, suppose null is true, is quite large.

Probability of getting a sample mean number of shark attacks larger than 54.5, suppose null is true, is quite small.

Probability of getting a sample mean number of shark attacks larger than 54.5, suppose null is true, is quite large

Dangerous for those who use water for recreation is same as to test whether unprovoked shark attacks is larger for these years than 36.66 (mean number of unprovoked shark attacks per year in the USA).

1) Determine critical value if alpha = 0.05?

i) z.05 = 1.645

ii) z.05 = 1.960

iii) t.05 = 6.314

iv) t.05 = 12.706

Reference no: EM1321730

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