g A quality control analyst is verifying that the 1 lb bags of coffee are indeed 16 oz. He knows if it is different than 16 oz. he will have to shut down the machine and recalibrate it. His hypotheses are:

that is the sum

step-by-step explanation:

there are no other answers without knowing the variables values

b. 153 students do not participate in sports and seventy-five 12th graders were surveyed

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;

= 5

step-by-step explanation:

to find the 15th term substitute n = 15 into the nth term formula

= (- 3 × 15 ) + 50 = - 45 + 50 = 5