Answer:
The z-score is
The length of days is not unusual
Step-by-step explanation:
From the question we are told that
The population mean is ![\mu = 267.6 \ days](https://tex.z-dn.net/?f=%5Cmu%20%20%3D%20%20267.6%20%5C%20%20days)
The standard deviation is ![\sigma = 15.4 \ days](https://tex.z-dn.net/?f=%5Csigma%20%20%3D%20%2015.4%20%5C%20days)
The value considered is ![x = 309 \ days](https://tex.z-dn.net/?f=x%20%20%3D%20%20309%20%5C%20days)
The z-score is mathematically represented as
Now given that the z-score is not greater than 3 then we can say that the length of days is not unusual
(reference khan academy)
Answer:
A
Step-by-step explanation:
volume of cylinder= πr²h
r= 12cm
h = 19cm
putting the values in the formula
Hello!
When trying to find the sine of an angle, we can use the following formula:
sin B =
![\frac{opposite}{hypotenuse}](https://tex.z-dn.net/?f=%20%5Cfrac%7Bopposite%7D%7Bhypotenuse%7D%20)
In this case, we need to find the side opposite ∠B (which would be AC) and the hypotenuse (which would be BC). Now take the individual values of these two sides and insert them into the formula above:
sin B =
![\frac{(16)}{(17.46)}](https://tex.z-dn.net/?f=%20%5Cfrac%7B%2816%29%7D%7B%2817.46%29%7D%20)
Reduce the fraction above to reach a value of 0.92. We have now proven that
the approximate value of sin B is 0.92
The answer to this problem is
B.
I hope this helps!
Answer:
well 4/3 is 1 1/3 and also times pie and times 3
Step-by-step explanation:
Answer:
Batting practice increases batting averages.
Step-by-step explanation:
By looking at the graph, we clearly see a trend, almost a straight line (if you regroup the points a bit) going up.
So, it's clear that batting practice increases batting averages; they're directly related. The more a player practices at bat, the better will be his average.
<u>Answers B and D </u>(best and worst batters) are not proved at all by the graph, since there's data higher than those two cases.