State whether you think the difference between what occurred and what you would expect by chance is statistically significant.At Linden High School there are math tests at the end of each three-month session. On all of the last 10 days when there was a math test at school, Brian got a cold and had to stay home. He didn't have colds at other times.
A. Not statistically significant
B. Statistically significant
Answer: B
Mathematics
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Solve the problem.If an earthquake measures 5.0 on the Richter scale, what is its intensity, I, in terms of I0? Use 
A. 92,416 ? I0 B. 437,816? I0 C. 1,755,109 ? I0 D. 100,000 ? I0
Mathematics
Express the ratio in simplest form.12 V to 9 V
A. 
B. 4
C. 
D. 
Mathematics
If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth. Variables represent any real number.-
A. x4 B. -x9 C. -x4 D. -x3
Mathematics
Provide an appropriate response.Explain why the equation x2 = 4 has two real-number solutions, while the equation 
has only one real-number solution.
What will be an ideal response?
Mathematics