30.7% of 1000 how much is it plz help

Given the statements, "a square root of 16 is 4," and "a square root of 9 is -3," complete the following blanks with the correct truth-values. p is and q is , so the statement, "a square root of 16 is 4 or a square root of 9 is -3" is .

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

How do i do this activity, is appreciated