Yr 10 Probability - quick review

A letter is chosen from the word SUCCESS. The probability that the letter is neither C nor S is:

The number of manufacturing errors detected in a car manufacturing plant on 20 randomly selected days is given by this table.

An estimate of the probability that on the next day at least one error will be observed is:

A letter is chosen from each of the words CAN and TOO. The probability that the pair of letters will not have an O is:

The number of times a coin must be tossed to give 16 possible outcomes is:

• 8

• 2

• 16

• 3

• 4

A box has 3 red and 2 blue counters. If a red counter is selected and not replaced, then the probability that a blue counter will be observed on the second selection is:

The sets A and B are known to be mutually exclusive.

Which of the following is therefore true?

From the list of the first 10 positive integers, A = {1, 3, 5, 7, 9} and B is the set of primes less than 10.

Therefore, P (A′ ) and P (A only) are, respectively:

For this Venn diagram, P(A |B) is:

Two events are independent when:

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