Bert has already read 5 pages, and he knows he can read 11 more pages during every additional hour he spends reading. In all, ho
2 answers:
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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
Answer:
Step-by-step explanation:
using the 30- 60- 90 triangle for exact values , then
tan60° = , and
cot60° = =
cos60° =
cot60° cos60°
= ×
= ← rationalise the denominator by multiplying by
= ×
=