7. emma is planning a surprise party. she is considering using one of two venues. the banquet hall of hotel a will cost $862 for a reservation, plus $76 per dinner. the banquet hall of hotel b will cost $75 per dinner, in addition to $894 for the reservation. in order to make the best decision, emma figures out how many guests it would take to have the venues cost the same amount. what would the total cost be? how many guests would that be?

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;

what is the question?

step-by-step explanation: