Explain the term random variable as used in probability
Answer:
-A random variable can be defined as a type of variable whose value depends upon the numerical outcomes of a certain random phenomenon
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Simplify the expression (A+B)(A+C) stating the law of Boolean algebra applied at each step (Answered) Kihoto self-help group comprises of 58 members. They intend to choose 3 officials from the group to represent them in a conference. Determine the number of ways the 3 members can be chosen (Answered) State two differences between discrete variable and a continuous variable (Answered) Peter, John and Mary intend to purchase 15, 16, 18 books and 9, 11, 15 pens each respectively. In shop A a book cost Kshs 250 and a pen costs Kshs 175 while in shop B, a book cost Ksh 225 while a pen costs Kshs 190.
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