Answer:
Step-by-step explanation:
Looking for P(B|A)
conditional probability formula: A|B= (A∩B)/B
so B|A= (B∩A)/A
B∩A= 19+27= 46
A= 50+19+27+45= 141
46/141= .3262
Answer:
0.0319
Step-by-step explanation:
To approximate this probability, we shall be using the Bernoulli approximation of the Binomial distribution.
Let p = probability of selecting a reference book = 65% = 0.65
Let q = probability of selecting other books= 1-p = 1-0.65 = 0.35
Now, we want to find the probability that all of these 8 books to be re-shelved are reference book.
We set up the probability as follows;
P(X = 8) = 8C8 •p^8•q^0
P(X = 8) = 1 * (0.65)^8 * (0.35)^0
P(X = 8) = 0.031864481289 which is 0.0319 to 4 decimal places
1.)9+9+4+4=26 that is what I got
I think it’s either A or D
Answer:
C is the answer.
First multiply the first numbers, and then subtract 4 from -7.
