in a large sample of customer accounts, a utility company determined that the average number of days between when a bill was sent out and when the payment was made is 29 with a standard deviation of 5 days. Assume the data to be approximatlehy bell-shaped. between what two values will approximately 68% of the number of days be?

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7.3

step-by-step explanation:

let y equal to

the total fare and x is the mile of taxi ride. so the equation is

y = 0.55x + 1.75

since susie has

$10 to spend for a taxi cab, so he can have

10 = 0.55x +

1.75

x = 15 miles of

taxi ride

so the system of

inequality is

10 < 0.55x +

1.75

x > 2

10

step-by-step explanation: