Mathematics, 06.05.2020 07:00 jsh65bsbs
The time (in days) until maturity of a certain variety of tomato plant is Normally distributed, with mean µμ and standard deviation σ=2.4σ=2.4 . I select a simple random sample of four plants of this variety and measure the time until maturity. The sample yields x¯=65x¯=65 . A 95% confidence interval for µμ (in days) is:
A. 65.00 ± 4.70.
B. 65.00 ± 2.35.
C. 65.00 ± 3.95.
D. 65.00 ± 1.97.
Answers: 1
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