Mathematics, 18.10.2021 03:10 zazy15

5 out of every 10 kid's meals contain a toy car. Find the probability that (a) You must purchase seven kid's meals to find a toy car.
(b) You must purchase fewer than seven kid's meals to find a toy car.
(c) A toy car is not in any of the first four kid's meals you purchase.
Round all answers to four decimal places.

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