Your beginning balance on your lunch account is $55. You buy lunch for 1.75 everyday and sometimes buy a snack for $0.85 after 2
1 answer:
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Answer: 0.2195
Step-by-step explanation:
Binomial distribution formula :-
, where P(x) is the probability of x successes in the n independent trials of the experiment and p is the probability of success.
Given : The probability of that the general population has blood type A =
Sample size : n=6
Now, the probability that exactly three of them have blood type A is given by :-
Therefore, the probability that exactly three of them have blood type A = 0.2195