ElDudoso
31.03.2020 •
Mathematics
Trial Outcome
1 1
2 834476663355585680
3 3867670
4 82
5 830
6 31
7 1
8 38836392
9 3790
10 48560
11 1
12 0
13 991
14 5470
15 392
If 30% of the people who shop at a local grocery store buy chocolate ice-cream, what is the probability that it will take at least 5 customers to find one who buys chocolate ice-cream?
Heather set up a simulation using a random digits table select one digit numbers where 0-2 is a customer who buys chocolate ice cream and 3-9 is a customer who does not. Keep selecting one digit numbers until you get a 0-2. Record the number of digits selected.
Her results are shown in the table after 15 trials. What is the probability that it will take at least 5 customers to find one who buys chocolate ice cream?
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Ответ:
Sorry Bro I don't understand the question
Ответ:
3x^2 -12x 12