If you flip 2 coins 100 times, what is the experimental probability of landing on a head and a tail?

What value is equivalent to 5 + [5 × (4 + 2)]? a) 35 b) 45 c) 60 d) 110

Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

Which of the following are accepted without proof in a logical system? check all that apply.