i need to show work

i need to show work

On average, a very selective college admits 9 out of every 100 applicants. An admissions officer is reviewing a pile of 200 students' applications, and admits the first 17 students. What...

A sleep lab wants to know how many hours of sleep people are getting in the state of Maine. The lab uses census data to create proportionally sized groups of various ages, races, genders, locations,...

Of 1000 patients currently admitted at Bey Area Hospital, 300 participate in a survey. The patients are asked whether they are, or are not, satisfied with the quality of care they receive from hospital...

A game at the fair involves ping-pong balls numbered 1 to 18. You can win a prize if you correctly choose the 5 numbers that are randomly drawn. What are your chances of winning?

There are 750 students in a school, and every student is enrolled in at least one class. The number of students in each class follows. A total of 600 students are taking English. A...

Ms. Sanchez receives a shipment of 45 calculators, but 2 of them are defective. Ms. Sanchez asks a student to test the calculators. What is the probability that the first two calculators...

Carmen hopes to sell a lot of dance recital tickets so that she can win a raffle at her dance company. For every dance recital ticket she sells, her name is written on a raffle ticket and entered...

A scientist sets up a pipette he will use to drip a chemical into a beaker full of water. The concentration of the chemical in the beaker over time is modeled by C(x), where x is time in minutes....

5) A 7 ft tall person is walking away from a 20 ft tall lamppost at a rate of 5 ft/sec. Assume the scenario can be modeled with right triangles. At what rate is the length of the person's shadow changing...

I've been struggling on this question and just need explanation on how to get the answer

I got stuck on this question that i had to do some homework to have it make sense. My teacher explained it to me in the most confused way and i had np choice but to do some research. Luckily, I was...

If you know all 16 cofactors of a 4 by 4 invertible matrix A, how would you ﬁnd A?

for school

How do you find the answer?

5:8, 7:9, 3:8, 7:8

Pls help

Find the distribution (for each real a find P ({ω : X (ω) = a)})) and the cumulative distribution function of X defined on Ωcoin = {H,T}, ω = H or ω = T, by X(H) = 1, X(T) = -1...

Let X : [0,1] → R. Find inverse images of all intervals [a,b] for X(x) = 2 *1[0,½) (x) + 3 * 1[½,1] (x) Can someone please provide a solution to this

How many students attended the picnic?