Find a z-score satisfying the given condition.4% of the total area is to the right of z.
A. 1.76
B. -1.75
C. 1.75
D. 1.74
Answer: C
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Solve the problem. Round to the nearest hundredth, if necessary.Assume that the mean length of a human pregnancy is 268 days with a standard deviation of 9 days. What percentage of human pregnancies do we expect to last no more than 279 days?
A. 58.71% B. 88.88% C. 88.49% D. 89.07%
Write the following as a sum using powers of 10 to show place value.540.81
A. 5 ? 101 + 4 ? 100 + 8 ? 10-1 + 1 ? 10-2 B. 5 ? 103 + 4 ? 102 + 0 ? 101 + 8 ? 10-1 + 1 ? 10-2 C. 5 ? 102 + 4 ? 100 + 8 ? 10-1 + 1 ? 10-2 D. 5 ? 102 + 4 ? 101 + 0 ? 100 + 8 ? 10-1 + 1 ? 10-2
Find the exact value of the expression.cos 
sin 
- cos 
sin 
A. 
B. 
C. 
D. 1
The bar graph below shows the number of students by major in the College of Arts and Sciences. Answer the question.
What percent of students have a major other than math, history, English, or science (to the nearest tenth of a percent)?
A. 14.3% B. 16.7% C. 12.2% D. 16.3%