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Question 1 

What generally happens to the sampling error as the sample size is decreased?

▸ It gets less predictable.

▸ It gets larger.

▸ It gets smaller.

▸ It gets more predictable.

Answer

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Question 2 

Probabilities of different types of vehicle-to-vehicle accidents are shown below:

     Accident          Probability
     Car to Car 0.66
     Car to Truck 0.18
     Truck to Truck 0.16

Find the probability that an accident involves a car.

▸ 0.16

▸ 0.84

▸ 0.66

▸ 0.18

Answer

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