Using the same distribution as above ($P[X=0]=0.1$, $k=0.15$), $P[X < 2]$ equals:
A0.45
B0.25
C0.10
D0.15
Answer & Solution
Correct answer: B. 0.25
$P[X < 2] = P[X=0] + P[X=1] = 0.1 + 0.15 = 0.25$.
Related questions
Two coins tossed. P(both heads) =Bag has 4 red, 6 blue. P(red) =Probability of rolling 6 on a die:Probability of heads on a fair coin is:If a fair six-sided die is rolled twice, the probability that the sum is divisible by 3 isA bag has 3 red and 2 black balls. Probability of red ball drawn at random:Probability of getting an even number on rolling a single die:Probability of drawing a king from a standard deck of 52 cards: