Lydia tosses two six-sided number cubes.

A) List the sample space.
B) What is the probability of Lydia rolling pairs of the same number?
C) What is the probability that at least one number will be a 3?

Step-by-step explanation:

A) {1,2,3,4,5,6}{1,2,3,4,5,6}

B) The probability of rolling the same number is 2/12

C) the probability of one of the numbers being a three is 1/6

arithmetic sequence

step-by-step explanation:

given that a sequence has terms as

19, 15, 11,

this is represented on a graph

the pattern indicates that the sequence is an arithmetic sequence with i term

a=19 and common difference d =-4

any general term

thus the sequence is reduced by 4 for each successive term starting from 1 and nth term is

24-5n.

first negative term would start after 5th term

5th term =24-25< 0

from 5th term onwards the sequence would be negative.

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