Given X ~ U(2,18), we survey forty at a time and are interested in the distribution of X-bar. The standard deviation of X-bar is: a) 1.5811
b) 0.1155
c) 0.7303
d) 4.62

Given X ~ U(2,18), we survey forty at a time and are interested in the distribution of X-bar. P(2 < X < 18) is P(2 < X-bar < 18)
a) less than
b) equal to
c) greater than
d) at most

56

Step-by-step expla2nation:

n

Step-by-step explanation:

part a

in a city ice cream is mostly only bought when the temperature is very high as ice cream cools down our

so we can derive the conclusion that as the temperature increases the number of ice creams sold also increases

part b

y intercept is 5

slope is 2

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ok then what happened.