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Consider a class of 55 students. The student names are placed in a hat and 3 names are randomly drawn without replacement.
a) If the first person drawn was named the class president, second person drawn was named vice president, and the third person drawn was named secretary how many different results would be possible?
b) If the class of 55 students consisted of 30 women determine the probability that all three students randomly selected were women.
how to get harmonic problems with answer
Leptokurtic a) A frequency distribution which is lepkurtic has normally a higher peak than that of the general distribution. The coefficient of kurtosis while determined will
square root 2 on the number line
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Multiply following. (a) (4x 2 -x)(6-3x) (b) (2x+6) 2 Solution (a) (4x 2 - x )(6 - 3x ) Again we will only FOIL this one out. (4x 2 - x )(6 - 3x) = 24x 2 -
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If the roots of the equation (a-b) x 2 + (b-c) x+ (c - a)= 0 are equal. Prove that 2a=b+c. Ans: (a-b) x 2 + (b-c) x+ (c - a) = 0 T.P 2a = b + c B 2 - 4AC = 0
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the mean and standarddeviation of set a is -x ans s respectively.find the mean and standard deviation of set b
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