Aseven digit telephone number is of the form abc-defg. in one particular state, the digit 'a' can be any digit except 0 and 1. the digits b and c can be any digit for 2-9. the digits d, e,f, and g can be any digit 0-9 except they can't all be the same. how many seven digit phone numbers are possible with these restrictions?

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.)