Click through the graphs and select the one that could represent the relationship between the cost. c, of a call and the time, t. for the cell phone plan shown below.
time in hours 0
1
2
3
cost in dollars 10 13 16 19
20
18
16
14
Cost in dollars
10
Time in Hours

Arandom sample of size n 64 is taken from a population with population proportion p 0.38 describe the sampling distribution of p. draw a graph of this probability distribution with its a. mean and standard deviation. b. what is the probability that the sample proportion is greater than 0.5? what is the probability that the sample proportion is less than 0.3? d. what is the probability that the sample proportion is between 0.35 and 0.45?