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Next 6 questions (1-6) are based on the following: The following table is a probability distribution for the random variable x. f(x = 35) is left blank for you to fill in. x f(x) 0 0.015 1 0.087 2 0.214 3 0.292 4 0.239 5 0.117 6 0.032 7 0.004
1 ∑f(x) = _______ a 0.98 b 1.00 c 1.02 d 1.04
2 f(x = 3) = _______ a 0.304 b 0.300 c 0.296 d 0.292
3 f(x ≤ 4) = _______ a 0.847 b 0.841 c 0.832 d 0.608
4 E(x) = ______ a 3.197 b 3.152 c 3.107 d 3.062
5 ∑x²f(x) = _______ a 12.258 b 11.963 c 11.668 d 11.074
6 var(x) = _______ a 2.4253 b 2.0791 c 1.7329 d 1.1134
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