Read or write in words the following 1. 4x -5 = 13
2. a +8 < 11
3. 15 < b + 2
Write the following symbolically
1. Some number a increased by five is not equal to fifteen
2. Each number b decreased by eight is greater than three
3. Fifteen times each number c is not equal to four

Exclude leap years from the following calculations. (a) compute the probability that a randomly selected person does not have a birthday on october 4. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability that a randomly selected person does not have a birthday on the 1st day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability that a randomly selected person does not have a birthday on the 30th day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (d) compute the probability that a randomly selected person was not born in january. (type an integer or a decimal rounded to three decimal places as needed.)