Astudent at the mall purchased 4 shirts at an average price of $14 per shirt. if the student then purchased 2 of the same shirt in different colors but the same price, what would the price of the 5th and 6th shirt be if the average cost per shirt changed to $18

$26 each

Step-by-step explanation:

To find the price of shirt 5 and 6, we first need to get the total amount spent for the first 4 shirts.

Initial amount = 4 x 14

Initial amount = $56

Now that we have the total price of the first 4 shirts, we then find the price of the shirts including the 5th and 6th shirt if the average cost per shirt shifted to $18.

Total amount = 6 x 18

Total amount = $108

We now then subtract the new amount to the initial amount to find the price of the 5th and 6th shirt together.

Total Shirt Price = $108 - $56

Total Shirt Price = $52

Now we divide the Shirt Price by two since there are two additional shirts.

Shirt Price = 52 / 2

Shirt Price = $26 each

So the 5th and 6th shirt both cost $26 each.

it is a. 4.2 because 7.6-3.4 gets the remaining length of 4.2. i might be wrong but i am pretty sure this is the answer.

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;