A manufacturer claims that the mean

lifetime of its drill is 1000 hours. A

homeowner selects 25 drills and finds

the mean lifetime to be 980 hours with a

sample standard deviation of 80 hours.

If = 0.05, test the manufacturer's claim.

A manufacturer claims that the mean

lifetime of its drill is 1000 hours. A

homeowner selects 25 drills and finds

the mean lifetime to be 980 hours with a

sample standard deviation of 80 hours.

If = 0.05, test the manufacturer's claim.

answer: 2 litters juice bottle

half of a gallon is 50% of a full gallon 2 litters of juice is 52% of a full gallon

hope this ^_^

distance covered by pamela in 9 l of fuel = 99km

let us apply unitary method here.

distance covered by pamela in 1 l of fuel =99/9 =11 km

now let us find distance covered by pamela if she has 12 l of fuel.

distance covered in 12 l = distance covered in 1 l of fuel * 12

we know that distance covered by here in 1 l is 11 km.

so distance covered in 12 l of fuel = 11*12 = 132 km.

the answer would be c:   ax + b = ax + c

step-by-step explanation:

$6.42

step-by-step explanation: