Final averages are typically approximately normally

Assignment Help Basic Statistics

Reference no: EM13607202

Final averages are typically approximately normally distributed with a mean of 71 and a standard deviation of 8. Your professor says that the top 7% of the class will receive an A; the next 20%, a B; the next 40%, a C; the next 23%, a D; and the bottom 10%, an F. (Give your answers correct to one decimal place.)

(a) What average must you exceed to obtain an A?

(b) What average must you exceed to receive a grade of C or better?

Reference no: EM13607202

Questions Cloud

The syllabus suggests that the top 15 of the students will : scores on a marketing exam are known to be normally distribute with mean and standard deviation of 60 and 20

A corporation issues 85000 8 5-year bonds on january 1 2011 : a corporation issues 85000 8 5-year bonds on january 1 2011 for 88825. interest is paid semiannually on january 1 and

Silven industries which manufactures and sells a highly : silven industries which manufactures and sells a highly successful line of summer lotions and insect repellents has

A plane is flying in the horizontal plane at time t1 0 s : a plane is flying in the horizontal plane. at time t1 0 s with the components of its velocity are vx 100 ms and vy

Final averages are typically approximately normally : final averages are typically approximately normally distributed with a mean of 71 and a standard deviation of 8. your

O january 1 2011 1000000 5-year 10 bonds were issued for : on january 1 2011 1000000 5-year 10 bonds were issued for 970000. interest is paid semiannually on january 1 and july

What are the speeds of the two stones in ms just before : a stone is dropped from rest from the roof of a 100-m high building 2.00 s after that a second stone is thrown straight

The resulting life data from rayovac batteries had a mean : a popular flashlight that uses two d-size batteries was selected and several of the same models were purchased to test

Macduff and macbeth recently formed a partnership called : macduff and macbeth recently formed a partnership called inverness ltd. macduff invested 30000 cash and macbeth

User Account

All Pages