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ViviIn a week the prices of a bag of rice were 350,280,340,390,320,310,300. The range is
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What is the value of 4800 if the probability is 20?
The value of 4800 is 4800 and probability has nothing to do with it.
What is the probability of selecting a value at random and discovering that it has a value of 395 pounds?
The probability is 0.
Which is not a possible vaule for a probability?
Probability value can only be real number between 0 to 1, therefore, it cannot be greater than 1 or less than 0 or a complex number.
What happens if a value falls below the mean 2 standard deviation when the probability to belong to the distribution is lower than 0.05?
Nothing actually happens! You just get a value that is very unlikely but still possible. That it is possible is evidenced by the fact that the value was observed.
The mode is the largest value in a symmetric distribution?
Yes- the highest probability value is the mode. Let me clarify this answer: For a probability mass function for a discrete variables, the mode is the value with the highest probability as shown on the y axis. For a probability density function for continuous variables, the mode is the value with the highest probability density as shown on the y-axis.
