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Go ahead and find out what you know about yourself and the world around you. Best of luck!! Coverage : Studygroup Quiz Created by: AHMAD Creation Date: 27 May 2025 1.  If X ~ B(n, p) and P(X = r) is maximum, then r is a. np b. np + 1 c. Floor[(n + 1)p] d. Ceiling[(n + 1)p]   2.  A fair coin is tossed 5 times. What is the probability of getting exactly 3 heads? a. 0.3125 b. 0.5 c. 0.4063 d. 0.1563   3.  If X ~ B(6, 0.5), what is P(X = 3) a. 0.3125 b. 0.375 c. 0.2344 d. 0.6563   4.  The standard deviation of a binomial distribution is: a. np b. &#8730(np(1 &#8722 p)) c. np(1 &#8722 p) d. 1 &#8722 p   5.  The variable of a binomial distribution with parameters n and p? a. np b. &#8730(np(1 &#8722 p)) c. np(1 &#8722 p) d. 1 &#8722 p   6.  The mean of a binomial distribution is: a. np b. &#8730(np(1 &#8722 p)) c. np(1 &#8722 p) d. 1 &#8722 p   7.  If a binomial distribution has n = 10 and p = 0.3, what is the probability of 0 successes a. 0.0282 b. 0.9718 c. 0.0003 d. 0.1216   8.  In a binomial distribution, what does the parameter n represent? a. Number of successes b. Number of trials c. Probability of success d. Mean of the distribution   9.  Which of the following is not a condition for a binomial experiment? a. Fixed number of trial b. Constant probability of success c. Only two possible outcomes per trial d. The trials are dependent   10.  If a multiple-choice question has 4 options, and you guess randomly, what is the probability of getting a correct answer a. 0.5 b. 0.25 c. 0.75 d. 0.4   Think you know more about this quiz!   Please enter your Name and what you would like to tell everyone about STA112  Name: Think you know more about STA112 and would like others to know too? Whether its a great fact, a joke, a personal experience or an interesting anecdote, please share it with all the human beings on planet earth. Your contribution will help keep QuizMoz a free site for all.    (Optional)  (average submission size - 5 to 10 lines) Know the Latest News about STA112! What others think about STA112 By: Lil Wayne Fan on 7/19/2026    Give me more quiz questions about LilWayne By: Hot girl on 7/18/2026    I love answering Quiz Questions By: Kayla on 7/17/2026    I think this is a great quiz full of knowlodge and information. 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