Find how much she is expected to pay in january moreover

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Reference no: EM13577000

Question: The temperature in January is estimated to have a mean of 34 and a standard deviation of 6, in degrees Fahrenheit. Sally estimates that her heating bill can be predicted using the following formula:

X = 300 - 5 × temp,

where temp is temperature. Find how much she is expected to pay in January. Moreover, obtain the variance and standard deviation of the heating bill.

Reference no: EM13577000

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