Answer:
Tamar
Step-by-step explanation:
Since we're rounding to the hundredths place, we need to see if the thousandths place is greater or equal to 5. Since it is less than 5, we round down to 72.63.
Answer:
The 90% confidence interval for the population standard deviation waiting time for an oil change is (3.9, 6.3).
Step-by-step explanation:
The (1 - <em>α</em>)% confidence interval for the population standard deviation is:

The information provided is:
<em>n</em> = 26
<em>s</em> = 4.8 minutes
Confidence level = 90%
Compute the critical values of Chi-square as follows:


*Use a Chi-square table.
Compute the 90% confidence interval for the population standard deviation waiting time for an oil change as follows:


Thus, the 90% confidence interval for the population standard deviation waiting time for an oil change is (3.9, 6.3).
Answer:
339.336 m^2
Step-by-step explanation:
Given data
Radius= 6meters
We know that the surface area of a half-sphere is given as
A=3πr^2
A= 3*3.142*6^2
A= 3*3.142*36
A=339.336 m^2
Answer:
114 degrees
Step-by-step explanation:
a line equals 180 degrees, so you subtract 66 from 180
Answer:
<u>Therefore, the value of x is 5.</u>
Step-by-step explanation:
We can match each equation to find the solutions.



Now, we need solve this quadratic equation.

<u>Therefore, the value of x is 5.</u>
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I hope it helps you!