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Answer to Question #86258 in Statistics and Probability for Anand
Question #86258
Which of the following statements are true and which are false? Justify. (10)
a) The area under the curve of a standard normal distribution between − ∞ and 0 is
0.45.
b) If the probability of being left-handed is 0.1, the probability that none of the 3
persons selected randomly is left-handed is 0.729.
c) If the correlation coefficient is zero, then the relationship between Y and X is
positively linear.
a) The area under the curve of a standard normal distribution between − ∞ and 0 is
0.45.
b) If the probability of being left-handed is 0.1, the probability that none of the 3
persons selected randomly is left-handed is 0.729.
c) If the correlation coefficient is zero, then the relationship between Y and X is
positively linear.
Expert's answer
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