Mathematics, 24.07.2019 05:30 texas101st78

The time (in number of days) until maturity of a certain variety of hot pepper is normally distributed, with mean μ and standard deviation σ = 2.4. this variety is advertised as taking 70 days to mature. i wish to test the hypotheses h0: μ = 70, ha: μ > 70, so i select a simple random sample of four plants of this variety and measure the time until maturity. the four times, in days, are 76 73 69 70 based on these data, i would reject h0 at level:

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