(c) What is the probability that a random sample of 23 pregnancies has a mean gestation period of 279 days or less? The probability that the mean of a random sample of 23 pregnancies is less than 279 days is approximately (Round to four decimal places as needed.)

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A: Mean =μ=1496, standard deviation=σ=348  

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A: Given Information:      Sample Size (N)=75 Correlation r=0.19α=0.05  

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Q: ne following results are for independent Fahdom samples taken Sample 1 Sample 2 - 20 n- 30 x - 22.7 ...

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A: Error: -0.2 -0.23 3.17 0.3 0.09 1.24 -0.83 -0.67 -2.11 -2.23 2.16 0.73 -1.52 3.18 -1.12  0.1 0.77 -0...

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A:  given that.   X~N( μ , ?^2 )   μ=43256     , ?=3150   Z-score =( x - μ )/?   NOTE:- According to ba...

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Q: The President of the Farmers Association wants to know how the amount of fertilizer and the amount o...

A: Solution: Given information: n= 15 observation  k= 2 independent variables  MSR = 766.301  MSE = 37....

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