ind the mean, median, and mode of the data, if possible. If any of these measures cannot be found or a measure does not represent the o The cholesterol levels of a sample of 10 female employees are listed below. 230 175 165 205 185 225 115 135 150 230 D What is the mean cholesterol level? Select the correct choice below and fill in any answer box to complete your choice. O A. The mean cholesterol level is (Round to one decimal place as needed.) O B. There is no mean score. Does the mean represent the center of the data? O A. The mean represents the center. O B. The mean does not represent the center because it is the smallest data value. O c. The mean does not represent the center because it is the largest data value. O D. The mean does not represent the center because it is not a data value. What is the median cholesterol level? Select the correct choice below and fill in any answer box to complete your choice. O A. The median cholesterol level is (Round to one decimal place as needed.) O B. There is no median score.
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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