Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. statistics
  3. scores for men on the verbal portion of the sat-i

Scores for men on the verbal portion of the SAT-I test are normally distributed with a...

60.2K

Verified Solution

Question

Statistics

Scores for men on the verbal portion of the SAT-I test arenormally distributed with a mean of 509 and a standard deviation of112.
(a)  If 1 man is randomly selected, find the probabilitythat his score is at least 585.

(b)  If 16 men are randomly selected, find theprobability that their mean score is at least 585.

16 randomly selected men were given a review course before takingthe SAT test. If their mean score is 585, is there strong evidenceto support the claim that the course is actually effective?
(Enter YES or NO)  

Answer & Explanation Solved by verified expert
3.9 Ratings (374 Votes)
Solution Given thatmean 509standard deviation 112a P x 585 1 P x 585 1 P x 585 509 112 1 P    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Zin AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Q

A) Find the equation of the tangent line to the curve y = 5e-8x at the...

Basic Math
Q

Imagine that you are the parent of a newborn baby. Describe feeding practices you would use,...

Psychology
Q

The highlighted structures supply Copyright by GOMSO 2010 www Oskin of the anterior and lateral...

Biology
Q

89 Light of wavelength strikes a photoelectric surface and electrons are ejected with an energy...

Physics
Q

On a solid sphere lying on a horizontal surface a force F is applied at...

Physics
Q

particle of mass m moves along a circle of radius r with constant tangential accelerati...

Physics
Q

7 1 2 points The roots to the nearest hundredth of y x x 1...

Basic Math
Q

Tim works for a cell phone company and is testing their new biometric security feature...

Basic Math
Q

Cash $ 66,600 32,400 Accounts Receivable 22,080 19,800 Inventory 18,800 28,800 Prepaid expenses 1,000 500...

Accounting
Q

Required Prepare a complete statement of cash filows for December using the indirect method for...

Accounting
Q

Percent of sales method At the end of the current year, Accounts Recelvable has a...

Accounting
Q

The following table includes specific details related to four different assets owned by Shabra Ltd....

Finance