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Question: Consider the following record of sales for a product for the last 100 days.
SALES UNITS
NUMBER OF DAYS
0
15
1
20
2
30
3
4
5
100
a. What was the probability of selling 1 or 2 units on any one day?
b. What were the average daily sales units?
c. What was the probability of selling 3 units or more?
d. What was the probability of selling 2 units or less?
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Determine the probability of choosing the area code at random which ends in the odd number if first digit cannot be 1 or 0?
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Carry out the appropriate hypothesis test for testing the null hypothesis that the correlation between FEV values is greater among identical twins than among faternal twins.
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