Suppose the wait time for license renewal at the local office of state motor vehicle department has been found to be normally distributed with a mean of 30 minutes and standard deviation of 8 minutes. suppose that in an effort to provide better service to the public, the director of the local office is permitted to provide discounts to those individuals waiting time exceeding a predetermined time. the director decides that 15% of the customers should receive this discount.
what number of minutes do they receive the discount?

y = 3x+4

step-by-step explanation:

to find the slope

slope = (y2-y1)/ (x2-x1)

    = (-8-4)/ (-4-0)

    = -12/-4

  = 3

using the slope intercept form of a line

y= mx+b

we know the slope is 3

we know the y intercept is 4 ( the point where it crosses the y axis or x=0)

y = 3x+4

final total: 63

step-by-step explanation:

60 times sales tax

60 times 0.05

3

60 + 3

63

in 2010, the population of the state of california is 37.29 × 10⁶

step-by-step explanation:

population of los angeles = 3.79 × 10⁶

population of california = 9.84 × population of los angeles

                                        = 9.84 × 3.79 × 10⁶

                                        = 37.2936 × 10⁶

                                        = 37.29 × 10⁶

∴ in 2010, the population of the state of california is 37.29 × 10⁶

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