A physical therapist wants to determine the difference in the proportion of men and women who participate in regular sustained physical activity. What sample size should be obtained if she wishes the estimate to be within three percentage points with 99% confidence, assuming that (a) she uses the estimates of 21.4% male and 18.7% female from a previous year? (b) she does not use any prior estimates? (a) n= (Round up to the nearest whole number.)

Q: rest

A:

Q: parts iv and v please

A: Given is a question on the probability of failure/success. Number of failed O-rings 0 1 2 3 4 5 6…

Q: Vx - 3 dx x=3

A:

Q: Thank you.

A:

Q: im 2. 3. 2.

A:

Q: Help!

A: Given: To Find: Equation for the given function.

Q: Part A thought G

A: Note: Since we only answer up to 3 subparts , we will answer the first 3. Please resubmit the…

Q: Help!! Answer correctly

A:

Q: fy-? 4- メーh)

A:

Q: accomplishment

A:

Q: domain

A: Consider a function

Q: style

A:

Q: A large speaker that you are planning to use, has a huge diaphragm connected to a spring, the force…

A:

Q: Difficult to read/understand.

A: Let's solve.

Q: profit nal Mar

A: Given,          A product has cost function Cx=x2-2x and revenue function Rx=10x ,           where x…

Q: Calculus

A: The solution is given below in the next steps:

Q: Part 1,2,3

A: The point is, 6,-2 So, the point is in 4th quadrant.

Q: Briefly explain the purpose of research. ?

A: Briefly explain the purpose of research. ?

Q: Need help with part 3

A: We find inverse of given Matrix

Q: part c pls

A: C) Given that r(u,v)=(u cos v, u sin v, v) with 1,2×0,2π I(x,y,z)=(0,0,x2+y2+z2) Here x=u cos v, y=…

Q: image

A:

Q: It 3. Mow

A: The given statement is 3n≥2n+1 for any positive integer n≥1. To prove the above statement, we use…

Q: Thank you.

A: We have to find

Q: HELP HELP HELP

A: