Answer:
X || Z.
Step-by-step explanation:
The average score is 500 points and the standard deviation is 50 points.Mean - 2 SD = 500 - 2 * 50 = 500 - 100 = 400It means that more than 400 on the standardized test is more than: Mean - 2 Standard deviations.For the Normal distribution: 100% - 2.5 % = 97.5% = 0.975.Answer: The probability that student scores more than 400 points is 0.975.
Out of the choices given, the one that is NOT a question to ask when determining whether an expression involving exponents is completely simplified is; have all negative constants been eliminated. The correct answer is C.
Answer:
Step-by-step explanation:
Hope I helped!
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