Answer:
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The answer for this problem: Option C.
As the given equation is a quadratic equation, the domain is all real numbers. There is actually no limitation to a quadratic equation, because these equations can spread and are indefinitely continuous. Therefore, it makes no sense to have a limiter by a limited domain set.
Answer:
a) P(x=5) = 0.2456
b) P(x≥6) = 0.3526
c) P(x<4) = 0.1887
Step-by-step explanation:
We can model this as a binomial experiment, with sample size n=10 and p=0.49.
To calculate the probability of having k subjects with very little confidence in the sample of 10, we solve:
a) We have to calculate P(x=5).
For a binomial variable with n=10 and p=0.49, this can be calculated as:
b) We have to calculate P(x≥6). This can be calculated as:
c) We have to calculate P(x<4). That is: