A drawing of a room has a scale of 1 inch = 4 feet . If the actual dimensions of the room are 14 feet by 16 feet , what are the
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The expected gain or loss is an illustration of mean and expected values.
The expected total gain is 83 points
The given parameters are:
- Addition of 20 points for rolling a 6
- Removal of 3 points for not rolling a 6
The probability of rolling a 6 in a fair die is 1/6.
The probability of not rolling a 6 in a fair die is 5/6.
So, the expected gain in each game is:
Take LCM
The number of games is 100.
So, the expected gain is:
Hence, the expected total gain is 83 points
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<h3>Given:-</h3>
- radius = 7 inches
- height = 9 inches
- Surface area of cylinder
we know:-
So:-
⇢SA of cylinder=2πrh+2πr²
⇢SA of cylinder = 2πr(h+r)
⇢SA of cylinder = 2 × π × 7(7 + 9)
⇢SA of cylinder = 2 × π × 7 (16)
⇢SA of cylinder = 2 × π × 112
⇢SA of cylinder = 2 × 112 × π
⇢SA of cylinder = 224π inches ²
.°. <u>Surface</u><u> </u><u>Area</u><u> </u><u>of</u><u> </u><u>cylinder</u><u> </u><u>is</u><u> </u><u>224π inches</u><u>²</u><u>.</u>