math11test3.1

# math11test3.1 - «1 MATH 11 Spring 2008 TEST 3 NAME Show...

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Unformatted text preview: «1/ MATH 11 Spring 2008 TEST 3 NAME: Show all your work. (Total 100 points) ‘ V 1. (6 points) True/ False Place a T in the blank for True and a F in the blank for False. (2 points each) ' XT (1) In a binomial experiment the probability of success is always greater than or equal to probability of failure. T (2) The total area under a normal curve is one. F (3)111 the standard normal distribution the mean is always 0 while the standard deviation may vary. 2. (16 points) Assume that a procedure yields a binomial distribution with n = 4 and p = 0.35. (a) Use the binomial probability formula to ﬁnd the probability of exactly 3 successes. FHA: h \1‘3“ 0‘“ 7‘ CV V? (Tam Gram“) ‘ 56> \ P L'Jﬂ '— #3:; Loﬁ‘aftoin‘jc «:7 Ar Lo was)? (0 W5) (5‘35“ 3‘. \if}, \, _ a ROD : yr {coalesxaxowcb a Q—‘ﬁLooﬂsmmol " ”HO-073w“ ,) (b) Find the mean and standard deviation of the binomial distribution. M: W? o ‘= net-*9“) p: «(0.5%) = armef n’: Mm?) Giza m4 ...
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