The physics scores of 200 students follow a normal distribution with a mean of 75 and a standard deviation of 7. Which conclusion is best supported by this information?

Question

anonymous · Answer

A.About 32 students have a score higher than 89. 
B.About 4 students have a score higher than 89.
C.About 100 students have a score higher than 89.
D.About 4 students have a score lower than 89.
E.About 32 students have a score lower than 89

anonymous · Answer

@amistre64

anonymous · Answer

moutain dew voltage?

amistre64 · Answer

did this one yesterday .... you might want to chk my profile for questions answered and look for these things :)  i believe this was even one of yours

amistre64 · Answer

if memory serves:

195 below and 5 above

anonymous · Answer

the exact question?

amistre64 · Answer

the exact question .. we determined it was 2 sd from the mean .. i said add 2.5 to 95

anonymous · Answer

isnt there aformula like ?/sqrt(?)

amistre64 · Answer

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