A police department reports that the probabilities that 0, 1, 2, and 3 burglaries will be reported in a given day are 0.4, 0.3, 0.1 and 0.2 respectively. Find the standard deviation for the probability distribution. a. 1.1357 O b. 1.29 Oc. 1.1 d. 1
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- A sociologist randomly selects single adults for different groups of three, and the random variable x is the number in the group who say that the most fun way to flirt is in person. Determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the requirements that are not satisfied. Does the table show a probability distribution? Select all that apply. OA. H= adult(s) (Round to one decimal place as needed.) OB. The table does not show a probability distribution. an example # 3 A. Yes, the table shows a probability distribution. B. No, the random variable x's number values are not associated with probabilities. C. No, not every probability is between 0 and 1 inclusive. D. No, the random variable x is categorical instead of numerical. E. No, the sum of all the probabilities is not equal to 1. Find the mean of the random variable x. Select the correct choice below…Find the following probabilities. You MUST draw, label, and shade a curve for each one. Use the table to complete each probability and state the probability to be unusual if it is less than 0.05 or 5%. A. The area to the left of z = -0.97 and to the right of z = 0.97. B. P(-1.76 < z < 0.34)Find the mean of the given probability distribution. A police department reports that the probabilities that 0, 1, 2, and 3 burglaries will be reported in a given day are 0.51, 0.35, 0.13, and 0.01, respectively. A. μ=1.50 B. μ=0.64 C. μ=1.15 D. μ=0.25
- Which one of the following probabilities is cumulative probability? 1.The probability that there are exactly 4 people with o positive blood in a sample of 10 people. 2. The probability of exactly 3 heads in 6 flips of a coin 3. The probability that the accumulated annual rainfall in a certain city next year, rounded to the nearest inch, will be 18 inches. 4. The probability that a randomly selected woman's height is 67 inches or lessFind the indicated probability. If necessary, round to three decimal places. Suppose that E and F are two events and that P(E and F) = 0.41 and P(E) = 0.5. What is P(FE)? O A. 0.82 B. 1.220 O C. 0.205 O D. 0.91 Click to select your answer. search 61Quiz: Self-Check 3.2 This Question: 1 pt 5 of 8 (4 cor Complete parts (a) and (b) below. The number of dogs per household in a small town Dogs 3 4 Probability 0.662 0.212 0.083 0,022 0.013 0.008 (a) Find the mean, variance, and standard deviation of the probability distribution. Find the mean of the probability distribution. 卫三 (Round to one decimal place as needed.) Find the variance of the probability distribution. (Round to one decimal place as needed.) Find the standard deviation of the probability distribution. | (Round to one decimal place as needed.) (b) Interpret the results in the context of the real-life situation. Click to selecCt your answer(S). Video Tuterial How to Find Probablitie T1-84. =earch
- Find the indicated probability. If P(A or B) = 0.8, P(A) = 0.3, and P(A and B) = 0.15, find P(B). P(B) =| (Simplify your answer. Type an integer or a decimal.)A police department reports that the probabilities that 0, 1, 2, and 3 burglaries will be reported in a given day are 0.54, 0.43, 0.02, and 0.01, respectively. Find the mean for the probability distribution. Round your answer to the nearest hundredth. Hint: It would be helpful to create the probability distribution table first. H= 1.04 µ = 0.25 H = 0.50 Ο μ- 1.50 000 OFind the mean of the given probability distribution. The probabilities that a batch of 4 computers will contain 0,1,2,3, and 4 defective computers are 0.5997, 0.3271, 0.0669, 0.0061, and 0.0002,respectively. Round answer to the nearest hundredth.
- A) Find the mean, variance, and standard deviation of the probability distribution. B) Interpret the results. The mean is____, so the average batch of 1000 machine parts has_________The standard deviation is_______, so the typical number of defects in a batch of 1000 (Round to one decimal place as needed.)The table lists the drinking habits of a group of college students. If a student is chosen at random, find the probability of getting someone who is men or heavy drinker. Round your answer to three decimal places. Sex Regular Drinker Heavy Drinker Total Man Woman Total 87 101 188 0.463 0.032 0.016 0.479 Non-drinker 35 87 122 49 11 60 3 3 6A technician services mailing machines at companies in the Phoenix area. Depending on the type of malfunction, the service call can take 1.2, 2.4, 3.6, or 4.8 hours. The different types of malfunctions occur at the same frequency. If required, round your answers to two decimal places. a. Develop a probability distribution for the duration of a service call. Duration of Call f(x) X 1.2 2.4 3.6 0.25 0.25 0.25