7. The admission fee at the fair is $3.00 for children and $5.00 for adults. On Saturday, 2500 people entered the fair and $9,100 was collected at the gate. How many children
attended the fair?

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars

Average acceleration: i have no idea how to do this.

An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e.g. 98.7654). x f(x) 0 1 2 3