WIR FIUgress
19/42 Marks
There are 250 people in a museum.
of the 250 people are girls.
10 of the 250 people are boys.
The rest of the 250 people are adults.
Work out the number of adults in the museum.

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2