Whats -6 times 3 over 2
1 answer:
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Answer:
0.25
Step-by-step explanation:
Average means
According to the formula, each student in Mr. Goldwasser's class read
books on average, and each student in Mr. Welch's class read
books on average.
Therefore, the answer will be
Answer:
So then we can conclude that we expect the middle 95% of the values within 18 and 30 minutes for this case
Step-by-step explanation:
For this case we can define the random variable X as the amount of time it takes her to arrive to work and we know that the distribution for X is given by:
And we want to use the empirical rule to estimate the middle 95% of her commute times. And the empirical rule states that we have 68% of the values within one deviation from the mean, 95% of the values within two deviations from the mean and 99.7 % of the values within 3 deviations from the mean. And we can find the limits on this way:
So then we can conclude that we expect the middle 95% of the values within 18 and 30 minutes for this case