Answer:
3.03*
Step-by-step explanation:
Answer:
450
Step-by-step explanation:
900/2 = 450
Answer:
9 ÷ -1
Step-by-step explanation:
So all you do is calculate what is in brackets first thus:
6 + 3 = 9
4 - 5 = -1
So the expression becomes 9 ÷ -1
WHICH WHEN SOLVED IS -9
HOPE THIS HELPED
Answer:
The 75th percentile of this distribution is 11 .25 minutes.
Step-by-step explanation:
The random variable <em>X</em> is defined as the waiting time in line at an ice cream shop.
The random variable <em>X </em>follows a Uniform distribution with parameters <em>a</em> = 3 minutes and <em>b</em> = 14 minutes.
The probability density function of <em>X</em> is:
The <em>p</em>th percentile is a data value such that at least p% of the data-set is less than or equal to this data value and at least (100-p)% of the data-set are more than or equal to this data value.
Then the 75th percentile of this distribution is:
Thus, the 75th percentile of this distribution is 11 .25 minutes.
Based on the population mean, the mean of the distribution sample means would be 204.6. The standard deviation would be 0.22.
<h3>What are the mean and standard deviation of the distribution?</h3>
The mean of the distribution sample means is the same as the population means which is 204.6.
The standard deviation can be found as:
σₓ = σ / √n
= 3.1 / √197
= 0.22
Find out more on standard deviation at brainly.com/question/12402189.
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