{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Extra Credit

# Extra Credit - As usually up to 5 points will be assigned...

This preview shows pages 1–2. Sign up to view the full content.

As usually up to 5 points will be assigned for the correct solution: 1. Suppose x is a normally distributed random variable with μ = 60,000 and ó = 2500. Find P(x > 57,500). A) .1587 B) .2266 C) .7266 D) .8413 2. Suppose x is a normally distributed random variable with μ = 12.37 and ó = 0.04. Find P( 12.27 < x < 12.33). A) .8475 B) .1649 C) .8351 D) .1525 3. Suppose x is a normally distributed random variable with μ=440 and ó=40. Find the probability that x assumes a value more than 2.5 standard deviations from its mean. A) 0.0124 B) 0.9938 C) 0.0062 D) 0.9876 4. Suppose a brewery has a filling machine that fills 12 ounce bottles of beer. It is known that the amount of beer poured by this filling machine follows a normal distribution with a mean of 12.47 ounce and a standard deviation of 0.04 ounce. Find the probability that the bottle contains between 12.37 and 12.51 ounces. A) .1649 B) .1525 C) .8351 D) .8475 5. A marketing research company needs to estimate the average total compensation of CEOs in the service industry. Data were randomly collected from 18 CEOs and the 97% confidence interval was calculated to be What assumptions are

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern