Question

The spinner to the right is spun twice in succession to determine a two-digit number. The first spin gives the first digit and the second spin gives the second digit. Give each of the following. (a) the sample space (b) the probability of an odd number (c) the probability of a number with repeated digits (d) the probability of a number greater than 40 (e) the probability of a composite number

Answer #1

Suppose the spinner here is spun twice in succession to determine a two-digit number. Giving each of the following.

The spinner is spun twice in succession and the spinner is
divided into three equal parts

so we will get the following two digit numbers

(a) the sample space

11,12,13,21,22,23,31,32,33

n=9

(b) the probability of an odd number :: 6/9

(c) the probability of a number with repeated digits ::3/9

(d) the number of a greater than 40 ::0

(e) the probability of a Composite Number :: 5/9

Suppose the spinner shown to the right is spun once, to determine
a single-digit number, and we are interested in the event E that
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eveneven.
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(a) the sample space
(b) the number of favorable outcomes
(c) the number of unfavorable outcomes
(d) the total number of possible outcomes
(e) the probability of an
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