Choose the correct alternative answer for each of the following questi

Choose the correct alternative answer for each of the following questions.(1)Which number cannot represent a probability ? (A) 23 (B) 1.5 (C) 15% (D) 0.7 (2) A die is rolled. What is the probability that the number appearing on upper face is less than 3 ? (A) 16 (B) 13 (C) 12 (D) 0 (3) What is the probability of the event that a number chosen from 1 to 100 is a prime number ? (A) 15 (B) 625 (C) 14 (D) 1350 (4) There are 40 cards in a bag. Each bears a number from 1 to 40. One card is drawn at random. What is the probability that the card bears a number which is a multiple of 5 ? (A) 15 (B) 35 (C) 45 (D) 13 (5) If n(A) = 2, P(A) = 15 , then n(S) = ? (A) 10 (B) 52 (C) 25 (D) 13

Answer» Choose the correct alternative answer for each of the following questions.

(1)Which number cannot represent a probability ?

(A)

\frac{2}{3}

(B) 1.5

(D) 0.7

(2) A die is rolled. What is the probability that the number appearing on upper face is less than 3 ?

(A)

\frac{1}{6}

(B)

\frac{1}{3}

(C)

\frac{1}{2}

(D) 0

(3) What is the probability of the event that a number chosen from 1 to 100 is a prime number ?

(A)

\frac{1}{5}

(B)

\frac{6}{25}

(C)

\frac{1}{4}

(D)

\frac{13}{50}

(4) There are 40 cards in a bag. Each bears a number from 1 to 40. One card is drawn at random. What is the probability that the card bears a number which is a multiple of 5 ?

(A)

\frac{1}{5}

(B)

\frac{3}{5}

(C)

\frac{4}{5}

(D)

\frac{1}{3}

(5) If n(A) = 2, P(A) =

\frac{1}{5}

, then n(S) = ?

(A) 10

(B)

\frac{5}{2}

(C)

\frac{2}{5}

(D)

\frac{1}{3}

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