Solve the problem.At one college, GPA's are normally distributed with a mean of 2.6 and a standard deviation of 0.4. What percentage of students at the college have a GPA between 2.2 and 3?
A. 95.44%
B. 68.26%
C. 99.74%
D. 84.13%
Answer: B
You might also like to view...
Solve.A local pond can only hold up to 36 geese. Seven geese are introduced into the pond. Assume that the rate of growth of the population is 
= (0.0012)(36 - P)Pwhere t is time in weeks.How long will it take for the goose population to be 10?
A. 10.78 weeks B. 55.83 weeks C. 3.25 weeks D. 49.40 weeks
Solve the problems.The speed of sound is approximately 1,088 feet per second in a particular medium. Calculate this speed in miles per hour. Round to the nearest tenth.
A. 731.8 mi./hr. B. 12.4 mi./hr. C. 744.8 mi./hr. D. 741.8 mi./hr.
The graph of a function f is given. Use the graph to answer the question.What is the y-intercept?
A. -15 B. 17.5 C. -20 D. 25
Add or subtract as indicated.(x3y2 + 2x2y3 + 5xy - 3) + (x2y3 - 5x3y2 + 5xy - 5)
A. -6x3y2 + 3x2y3 + 10xy - 8 B. -4x3y2 + 3x2y3 + 10xy - 8 C. -4x3y2 + 3x2y3 + 5xy - 8 D. 2x3y2 - 3x2y3 + 10xy - 8