almost three-fourths of us pecans are grown in the states of GA,NM, and TX it is...

almost three-fourths of us pecans are grown in the states of GA,NM, and TX it is known that the average yield of pecans in DA county is mean=1625 and standard dev.= 200 if a random sample of 18 acres of a land is taken the probability of the average yield of these 18 acres being at most 1700 lbs would be
.9941?

Solutions

Expert Solution

Solution :

Given that ,

mean = = 1625

standard deviation = = 200

n = 18

= = 1625

= / n = 200 / 18 = 47.14

P( 1700 ) = P(( - ) / (1700 - 1625) / 47.14)

= P(z 1.59)

Using z table

= 0.9441

orchestra answered 1 year ago

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