Assume that each of your calls to a popular radio station has a probability of p = 0.03 of connecting, that is, of not obtaining a busy signal. assume that your calls are independent. (a) what is the probability that your 1st call that connects is your 10th call? round your answer to four decimal places (e. g. 0.9876). (b) what is the probability that it requires more than 5 calls for you to connect? round your answer to four decimal places (e. g. 0.9876). (c) what is the mean number of calls needed to connect? round your answer to the nearest integer. (a) enter your answer in accordance to the item a) of the question statement

d. 24+-0.114

step-by-step explanation:

the question requires us to calculate the approximate 95% confidence interval for the mean number of ounces of ketchup per bottle in the sample given the following statistics;

sample mean = 24

standard deviation, σ = 0.4

sample size , n = 49

the confidence interval for a population mean is calculated using the formula;

sample mean ± z-score*(σ/sqrt(n))

the z-score associated with a 95% confidence interval, from the standard normal tables, is;

1.96

substituting these values into the formula;

24 ± 1.96*(0.4/7)

= 24 ± 0.112

from the alternatives given, choice d is closest to the above expression;

cant

step-by-step explanation: there is no picture