Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.

Get a Professional Answer

Via email, text message, or notification as you wait on our site. Ask follow up questions if you need to.

100% Satisfaction Guarantee

Rate the answer you receive.

Ask Ryan Your Own Question

Ryan, Engineer

Category: Calculus and Above

Satisfied Customers: 9077

Experience: B.S. in Civil Engineering

40260889

Type Your Calculus and Above Question Here...

Ryan is online now

Professor gave a statistics test. The scores follow the

Customer Question

Professor Moore gave a statistics test. The scores follow the distribution: \muμ = 22 and \sigmaσ = 4.What is the probability that a single student randomly chosen from all of those taking the test scores 18 or lower? Express as a percent rounded to the nearest hundredth.%Now take an SRS of 8 students who took the test. What are the mean and standard deviation of the sampling distribution of 8 students? Round to the nearest thousandth.\mu_{x\:}= \sigma_x=σx=What is the probability that the average of the tests for these 8 students is 18 or lower? Express as a percent rounded to the nearest hundredth.% JA: The Math Tutor can help you get an A on your homework or ace your next test. Is there anything else the Math Tutor should be aware of? Customer: NO