9.
The following frequency distribution was constructed for the
wait times in the emergency room The frequency distribution reveals
that the wait times in the emergency room are _______
10. The number of cars arriving at a toll booth in five-minute
intervals is Poisson distributed with a mean of 3 cars arriving in five-
minute time intervals. The probability of 5 cars arriving over a five-
minute interval is ________
11. The number of finance majors within the School of Business is
an example of _______
12. According to the central limit theorem, for samples of size 64
drawn from a population with µ = 800 and σ = 56, the mean of the
sampling distribution of sample means would equal _______
13. Consider the following null and alternative hypotheses
Ho: m ≤ 67 Ha: m > 67 These hypotheses ___________
14. A market research team compiled the following discrete
probability distribution on the numberof sodas the average adult
drinks each day. In this distribution, x represents the number of sodas
which an adult drinks
x
P(x)
0
0.30
1
0.10
2
0.50
3
0.10
The mean (average) value of x is ______________