Problem 743

In a family with 8 children, excluding multiple births, what is the probability of having 8 girls? Assume that a girl is as likely as a boy at each birth.…

Problem 742

An experiment consists of drawing 1 card from a standard 52-card deck. What is the probability of drawing an 8?   Solution:-   A standard deck of 52 cards has…

Problem 740

Write the geometric sequence that has four geometric means between 1and 1,024.   Solution:-   an and  a1  are given. Find the common ratio by using the explicit formula for geometric…

Problem 737

Find the sum of the first five terms of the arithmetic series: an = 2n +2.   Solution:-   Find a1 and  a5  and use the formula for the sum of an…

Problem 736

Find the 100th term of the sequence: -4, -2, 0, 2, ….   Solution:-   Find the common difference and use the explicit formula for arithmetic sequences:  . an = a1 +…