Solve the problem.Given that P(A) = 0.51, P(B) = 0.42, and P(A ? B) = 0.64, find P(A ? B).
A. 0.35
B. 0.29
C. 0.93
D. 0.2142
Answer: B
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Use the guidelines to evaluate the study. Discuss flaws that you see in the study. A researcher from an environmental group wishes to gauge political sentiment regarding a proposed environmental law. He obtains a list of 1000 email addresses from an internet provider, uses a random number table to select a random sample of 100 of these addresses, emails the people in the sample asking them "How do you feel about the proposed environmental law which will improve the quality of our air?" He requests that people respond to his question by email. After the study he announces that 72% of Americans are in favor of the new environmental law.
What will be an ideal response?
Express the number in scientific notation.0.000955
A. 9.55 × 104 B. 9.55 × 10-4 C. 9.55 × 10-3 D. 9.55 × 10-5
Find the area of the geometric figure.
A. 50 sq ft B. 15 sq ft C. 35 sq ft D. 70 sq ft
Simplify the polynomial by combining like terms.8x + 2+ 7x + 2
A. 15x + 4 B. 15x C. 15x2 + 4 D. 19x