The scores for a standardized reading test are found to be normally distributed with a mean of 310 and a standard deviation of 40. If the test is given to 510 students, how many are expected to have scores between 310 and 350?
What will be an ideal response?
173
Mathematics
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Provide an appropriate answer.Find 
when u = 3 and v = 1 if z(x) = 
and x = u ? v.
A. 
= 
B. 
= 
C. 
= 0
D. 
= 
Mathematics
Perform the indicated operation and express with the proper accuracy and precision. The first number given is approximate and the second number is exact. (Use calculator if needed).5.526(29)
A. 160.3 B. 160.254 C. 160 D. 160.25
Mathematics
Write as ordinary numbers.8.06 × 104
A. 322.4 B. 806,000 C. 8,060 D. 80,600
Mathematics
Evaluate the algebraic expression for the indicated variable.
for x = 5, y = 7
A. 13 B. 21 C. 121 D. 69
Mathematics