Abrewery claims that the mean amount of beer in their bottles is at least 12 ounces. determine whether the hypothesis test for this claim is left-tailed, right-tailed, or two-tailed.

The hypothesis test for this claim is left-tailed.

Step-by-step explanation:

Given  : A brewery claims that the mean amount of beer in their bottles is at least 12 ounces.

Let represents the mean amount ( in ounces) of beer in any bottle.

Claim :

We know that the null hypothesis always takes equality sign, then the set of hypothesis for the given claim will be :-

Since , the alternative hypothesis is left tailed , the hypothesis test for this claim is left-tailed.

unpaid balance is : $149.99-$50 = $99.99 new balance = 149.99+2.62-50 = $102.61 finance charge = 99.99- 0.21/12= $1.75 new balance = 99.99+1.75 = $101.74 average daily balance method average daily balance= 3399.70/30 = $113.32 finance charge = $ 0.21/12ă—113.32 = $1.98 new balance = $149.99-50+1.98 = $101.97