Solve the equation by factoring. 1. 2 14x +3x-2 = 0 CE Toond anbst 6yode The solution set is (Use a comma to separate answers as needed. Type each solution only once.) Use factoring to solve the quadratic equation. Check by substitution or by using a graphing utility and identifying x-intercepts. 2. 2 4x=7x + 2 The solution set is (Use commas to separate answers as needed. Type each solution only once.) 3. Solve the equation by the square root property. E6 (x-9) 49 FAENER What is the solution set? (Use a comma to separate answers as needed.) Solve the quadratic equation using the square root property. 4. sa 2 (x+ 4)81 euatinenpneu The solution set is (Simplify your answer. Use a comma to separate answers as needed. Type an exact answer, using radicals Express complex numbers in terms of i.) Determine the constant that should be added to the binomial so that it becomes a perfect square trinomial. 5. factor the trinomial. 2 X +18x What is the constant that should be added to the binomial so that it becomes a perfect square trinomial? Write the trinomial. boan 2840r3 2h0pd (Do not factor.) Factor the result. (Simplify your answer.)
Addition Rule of Probability
It simply refers to the likelihood of an event taking place whenever the occurrence of an event is uncertain. The probability of a single event can be calculated by dividing the number of successful trials of that event by the total number of trials.
Expected Value
When a large number of trials are performed for any random variable ‘X’, the predicted result is most likely the mean of all the outcomes for the random variable and it is known as expected value also known as expectation. The expected value, also known as the expectation, is denoted by: E(X).
Probability Distributions
Understanding probability is necessary to know the probability distributions. In statistics, probability is how the uncertainty of an event is measured. This event can be anything. The most common examples include tossing a coin, rolling a die, or choosing a card. Each of these events has multiple possibilities. Every such possibility is measured with the help of probability. To be more precise, the probability is used for calculating the occurrence of events that may or may not happen. Probability does not give sure results. Unless the probability of any event is 1, the different outcomes may or may not happen in real life, regardless of how less or how more their probability is.
Basic Probability
The simple definition of probability it is a chance of the occurrence of an event. It is defined in numerical form and the probability value is between 0 to 1. The probability value 0 indicates that there is no chance of that event occurring and the probability value 1 indicates that the event will occur. Sum of the probability value must be 1. The probability value is never a negative number. If it happens, then recheck the calculation.
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