Example 1. A random variable has the following probability distribution 8. Values of X 1 3 4. 7 P(x) 3a 5a 7a 9a 11a 13a 15a 17a 1. Determine the value of a 2. Find (i) P(x < 3); (ii) P(xs 3); (ii) P(x > 7); (iv) P(2 sw5); (v) P(2
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- The table shows relative frequencies for red-green color blindness in one doctor's practice. M represents 'person is male' and C represents 'person is color-blind. Use this table to find the probability P(C). P(C)= View an example Textbook Question 17 (071) A 6 & 7 + 8 O M M' Totals C 0.042 0.006 0.048 C' 0.400 0.552 0.952 Totals 0.442 0.558 1.000 ဂ Clear all + Check answer prt sc delete backspace1/2 ,7/8 , 3/4 , 1The probability distribution of the random variable X is given in the following table. Random variable, x -2 -1 0 1 2 3 P(X = x) 0.10 0.15 0.05 0.20 0.15 0.35 Find the following probabilities. (a) P(X = 0)(b) P(X ≤ 0)(c) P(-1 < X ≤ 4)(d) P(X ≥ 1)
- There is small parking lot behind a floral shop that has two parking lot spaces.let x be the number of cars parked in the parking lot at midday. the probability distribution of x is given by P(X=x)=4 - x /9 x=0,1,2 contruct the probability distribution table?(i) Construct the probability distribution table (ii) What is the probability that there will be at most 1 car in the parking lot? (iii) Calculate the expected number of cars in the parking lot at midday2. A random variable X has the following probability distribution. 1 2 3 4 5 6 7 8 f(X) k 2k 3k | 4k 5k 6k 7k 8k Find the value of, (i) ´k (ii) P(X<2) (iii) P(2(c) Determine a probability distribution for the random variable, X, the number of credit cards issued to an individual. x (# of cards) P(x) x (# of cards) P(x) 0.14 0.01 0.31 7 0.03 3 0.30 8 0.02 4 0.10 9 0.02 0.06 10 0.01 (Type integers or decimals. Do not round.)1. The probability distribution of the random variable X is shown in the accompanying table. - 5 - 2 0.31 P(X=x) 0.15 0.13 0.19 0.11 0.11 Find the following, rounded to two decimal places if necessary. P(X20) = P(-2a random variable has probability distribution: x= 0,1,2,3,4,5,6,7 and P(x) =0,k,2k,2k,3k,k*k.2k*k, 7k (k+1), the value of p(x<3)= O a. no one of them O b. 0.3 O c. 1SEE MORE QUESTIONSRecommended textbooks for youA First Course in Probability (10th Edition)ProbabilityISBN:9780134753119Author:Sheldon RossPublisher:PEARSONA First Course in Probability (10th Edition)ProbabilityISBN:9780134753119Author:Sheldon RossPublisher:PEARSON