UNIT CODE: BIT 3102 UNIT TITLE: EVENT DRIVEN PROGRAMMING Assignment Two This assignment focuses on the following • Controlling program flow using if control structure and select case control structure • Use of option buttons and checkboxes Create a VB project and save it as assignment two – your name and in this project add the following forms i. A form that reads in a student’s cat1‚ cat2 and final exam marks then computes the total and displays the total in a text box. It then displays
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table is a tabular summary of probabilities concerning two sets of complementary events. Answer: True Difficulty: Medium 2. An event is a collection of sample space outcomes. Answer: True Difficulty: Easy 3. Two events are independent if the probability of one event is influenced by whether or not the other event occurs. Answer: False Difficulty: Medium 4. Mutually exclusive events have a nonempty intersection. Answer: False Difficulty: Medium (REF)
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Objectives of Current Lecture In the current lecture: Introduction to Probability Definition and Basic concepts of probability Some basic questions related to probability Laws of probability Conditional probability Independent and Dependent Events Related Examples 2 Probability Probability (or likelihood) is a measure or estimation of how likely it is that something will happen or that a statement is true. For example‚ it is very likely to rain today or I have a fair chance of passing
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MAT540 - Quantitative Methods (Homework # 2) Section A True/False Indicate whether the sentence or statement is true or false. __F__ 1. Two events that are independent cannot be mutually exclusive. __F__ 2. A joint probability can have a value greater than 1. __F__ 3. The intersection of A and Ac is the entire sample space. __T__ 4. If 50 of 250 people contacted make a donation to the city symphony‚ then the relative frequency method assigns a probability of .2 to the outcome of
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154 200 a. Give an example of a simple event Need less than 3 more clicks to be removed. b. Give an example of a joint event Need three or more clicks to be removed in 2008 (2 events : needs 3 or more clicks and happened in 2008) c. What is the complement of "Needs three or more clicks to be removed from an email list"? Need less than 3 more clicks. d.Why is "Needs three or more clicks to be removed from an email list in 2009" a joint event? It neeeds to fit both criteria‚ 3 or more
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revealed that 400 people could recall seeing the commercial and that 320 people actually bought the product. Of the people that bought the product‚ 240 could recall seeing the commercial. 1. Using the alphabetic characters B and R to represent the events “buying the product” and “recalling seeing the commercial” respectively‚ construct a 2x2 contingency/cross tabulation table to summarise the findings of the survey. 2. If the information revealed by the survey is typical of the population as a whole
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exact being Type of Criminals Terms of less than Five years Longer Terms First Offenders 120 40 Hardened Criminals 80 160 If one of the inmates is to be selected at random to be interviewed about prison conditions‚ H is the event that he is a hardened criminal‚ and L is the event that he is serving a longer term‚ determine each of the following probabilities: a. P(H) b. P(L) c. P(L∩H) d. P(L’∩H) e. P(L|H) f. P(H’ |L) 6. Let Z be a random variable for the number of heads obtained in four flips of a
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c. Find the conditional probability that a person subscribes to magazine A given that he or she subscribes to magazine B. Exercise 5 Let us consider a student who is taking two tests on a given day. Let A be the event that the student passes the first test and B be the event that he passes the second. Suppose that : P(A) = 0.6 P(B) = 0.8 P(A ∩ B) = 0.5 a. Find the probability that the student passes the second test given that he passes the first b. Find the probability that the
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tick answers at random. If he is allowed up to 3 chances to answer the question‚ find the probability that he will get marks in the question? Q7. A and B are two independent events. The probability that both occur simultaneously is 1/6 and the probability that neither occurs is 1/3. Find the probability of occurrence of event A and B separately? Q8. Three screws are drawn at random from a lot of 10 screws containing 4 defective. Find the probability that all the 3 screws drawn are non-defective
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down the expression) P(works) = P(A)*P(B) + P(C)*P(D)*P(E) – P(A)*P(B)*P(C)*P(D)*P(E) = 0.7*0.7 + 0.8*0.8*0.8 – 0.7*0.7*0.8*0.8*0.8 2. Finish the following Bayes theorem (only the basic version‚ not with total probability rule): For two events A and B‚ with P(A) > 0 and P(B) > 0‚ P(A|B) = P(B|A) * P(A) / P(B) 3. The probability that a regularly scheduled flight departs on time is P(D)=0.83; the probability that it arrives on time is P(A)=0.82; and the probability that it arrives
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