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Answer:
(b) $1.15
Step-by-step explanation:
The expected value is the sum of products of payoff and probability:
$0×0.15 +0.50×0.5 +1.0×0.2 +2.0×0.1 +10×0.05
= $0 +0.25 +0.20 +0.20 +0.50
= $1.15 . . . . expected value of the scratch ticket
The denominator cannot be zero, so

is not in the domain of
.
is defined only for
, and we have

so there is no issue here.
By the same token, we need to have

Taking all the exclusions together, we find the domain of
is the set

or equivalently, the interval
.
Area of room: 7 x 6.5 = 45.5 sq. M.
Area of rug: 22/7 x 1.75^2 = 9.625 sq. M.
Area of loot not covered: 45.5 - 9.625 = 35.875 sq. M. ( round answer if needed)
Answer:
They sold 162 vanilla cones.
Step-by-step explanation:
429-105=324
324/2=162
162+105=267 (chocolate)
267(chocolate)+162(vanilla)=429(total)
Answer:
A farmer has a rectangular field with an area of 3/4 square mile. The field is 1/2 ... The field is 1/2 mile wide. What is the length of the field? 2. See answers ... 3/4 divided by 1/2 is 1.5 or 5/2 therefore the field is 5/2 miles long
Step-by-step explanation: