MyLab and Mastering Assignments P Take a Test - DYLAN MYERS P MyStatLab Data Set A mathxl.com/Student/PlayerTest.aspx?testld%3D212922424¢erwin3Dyes Assignments 202010 STA 2023 DYLAN MYERS I 03/08/20 4:36 PM Test: Chapter 3 Post-Test Time Remaining: 01:34:20 Submit Test This Question: 1 pt 5 of 23 (2 complete) This Test: 23 pts possible Question Help Listed below are the amounts (dollars) it costs for marriage proposal packages at different baseball stadiums. Find the range, variance, and standard deviation for the given sample data. Include appropriate units in the results. Are there any outliers, and are they likely to have much of an effect on the measures of variation? 37 45 50 65 65 95 95 125 195 203 265 325 400 1750 3000 The range of the sample data is 2963 (Type an integer or a decimal. Do not ro stadiums. The standard deviation of the sample da (Round to one decimal place as needed dollars. The variance of the sample data is 679 stadiums?. (Round to one decimal place as needed marriages. Are there any outliers and, if so, are the of an effect on the measures of variation? marriages. A. No, there are not any outliers. dollars?. O B. Yes, the largest amounts are much higher than the rest of the data, and appear to be outliers. It is not likely that these are having a large effect on the measures of variation. C. Yes, the smallest amounts are much lower than the rest of the data, and appear to be outliers. It is not likely that these are having a large effect on the measures of variation. D. Yes, the largest amounts are much higher than the rest of the data, and appear to be outliers. It is likely that these are having a large effect on the measures of variation. (1,1) More Click to select your answer(s). MacBook Pro Q Search or type URL delete esc & 8 з Q tab コ
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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(this is not graded but, rather, an excersice conducive to acquisition).
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