The answer is 6/13 since there are 12 distinct letters in the phrase and 12/26 is written as 6/13
<span>A medical researcher wants to investigate the amount of time it takes for patients' headache pain to be relieved after taking a new prescription painkiller. She plans to use statistical methods to estimate the mean of the population of relief times. She believes that the population is normally distributed with a standard deviation of 18 minutes. How large a sample should she take to estimate the mean time to within 4 minutes with 97% confidence?
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n = [z*s/E]^2
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n = [2.17*18/4]^2 = 96 when rounded up
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The best and most correct answer among the choices provided by the question is <span>C. x over 520 = 5 over 13</span>.<span>
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Hope my answer would be a great help for you.</span>
Answer:
y = -3x +5. if y>-1
Step-by-step explanation:
-1 < -3x + 5
-6 < -3x
x < 2
