125. To find the answer to these questions, divide the number (50) by the percent in decimal form (40% = 0.4) 50 / 0.4 = 125. To make sure, 125 x 0.4 = 50.
i think the question is not correct write it again or attach the pic ic
Solution: Yes, the random variable y will have a binomial distribution. Because there are two possible outcomes 1. number of days of rain and 2. number of days of no rain.
The parameters of binomial distribution are and
The parameter n is given as the number of day's under consideration.
The parameter p is not given, but it can be estimated by number of days it rained divided by the total number of days under consideration.
We need to divide 24/3 to get a number that 1 gets.
$8 per 1 in the ratio.
8 x 7 =
56.
Therefore, Josh got $56 in tips.