Let A and B be events from a sample space S, with P[A] = 0.85 and P[B] = 0.8. Specify the range of possible values for P[A ∪ B] (for example: 0.3 ≤ P[A ∪ B] ≤ 0.9).
a card is chosen from a standard deck of 52 cards, what is the probability that a spade and a heart is chosen
Given that X∼N(42.9,97.1). Find the probability that a randomly chosen value from this population is less than 86. Find
z
p(x less than or equal to 86
For the standard normal distribution (μ=0 and σ=1), find:
P(Z < -2.5)
(Round to four decimal places)
a family has three children find the values of the random variable x representing the number of girls and construct a probability distribution
The school organizes a farewell party for the Seniors. There are 50 students at the party, 30 are boys. What is the probability that a randomly selected student will be a boy?
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The high school probability differs from those engineering tasks, yet it is not always much simpler if you do not know the basics. Therefore, take your time to see our examples and learn.