anonymous
  • anonymous
The time required to finish a test is normally distrubuted with a mean of 60 minuties and a standard deviation of 10 minutes. What is the probability that a student will finish the test in less that 70 minutes? Is the answer 84%?
Mathematics
schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

Get this expert

answer on brainly

SEE EXPERT ANSWER

Get your free account and access expert answers to this
and thousands of other questions

kropot72
  • kropot72
How did you get that result?
anonymous
  • anonymous
(100% - 32%)/2
kropot72
  • kropot72
But that equals 34, not 84.

Looking for something else?

Not the answer you are looking for? Search for more explanations.

More answers

kropot72
  • kropot72
Also it is usual to express probability as a measure on a scale 0 to 1. Probability should not properly be expressed as a percentage in statistics.

Looking for something else?

Not the answer you are looking for? Search for more explanations.