بايو بايت - BioByte

Suppose the average number of events per unit time is λ = 4. Find the probability that the random variable X P(-2 <= X <= 1)

Which of the following is true for Poisson distribution?

What is the mean of a Poisson distribution with λ = 7?

Which of the following requires n times of experiment and has only two outcomes :

The parameters of poisson is

Which of the following distribution is defined by 𝜆

The parameter of binomial distribution is :

If the expected value equals x in normal distribution like u=22,x=22 the P(Z>22) =

The brightness of 5 lab lights in lumens is: 500, 520, 480, 510, 490 Given: variance = 200 lm² Calculate the Standard deviation SD =

If the probability of success p = 0.3 and the number of trials n = 10, then the mean (expected value) is:

8) If the standard deviation of employees' salaries is 15 dinars, and management deducts 13 dinars from each salary as a monthly club fee, the new variance is

If A and B are events where p(B) = k , p(A’) = 0.6 , p(A’intersectB) = 0.35 , p(B/A) = 0.2 what is the value of k