Use the data in the following table, which lists drive-thru order accuracy at po

Question

Use the data in the following table, which lists drive-thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table.

A

B

C

D

Order Accurate

312

273

247

133

Order Not Accurate

40

51

32

13

If one order is selected, find the probability of getting an order from restaurant

Upper A

or

Upper DD

or an order that is not accurate.The probability of getting an order from restaurant

Upper A

or

Upper D

or an order that is not accurate is

nothing .

(Round to three decimal places as needed.)

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Explanation / Answer

The probability of getting an order from restaurant

Upper A

or

Upper D

or an order that is not accurate is

Ans: Upper A + upper D orders = 312 + 133 = 445

Not accurate = 40 + 51 + 32 + 13 = 146

P = (445 + 146)/1111 = 0.532

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