Mathematics, 08.07.2020 03:01 blackops7959
Johnson Electronics makes calculators. Consumer satisfaction is one of the top priorities of the company's management. The company guarantees the refund of money or a replacement for any calculator that malfunctions within two years from the date of purchase. It is known from past data that despite all efforts,
5%
of the calculators manufactured by this company malfunction within a
2
-year period. The company recently mailed
500
such calculators to its customers. Find the probability that
12
to
25
of the
500
calculators will be returned for refund or replacement within a
2
-year period.
Answers: 2
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