Which shows the best path to find the number of centimiters in 1 yard
1 answer:
For this case we have by definition that one yard equals 91.44 centimeters.
We propose a rule of three that allows you to find the number of centimeters in any number of yards:
1yd ------------> 91.44cm
x ------------> y
Where:
y: It is the number of centimeters
x: It is the number of yards.
Answer:
one yard equals 91.44 centimeters.
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Answer:
And we can find this probability using excel or the normal standard tabe and we got:
Step-by-step explanation:
Previous concepts
Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".
The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".
Solution to the problem
Let X the random variable that represent the temperatures of a population, and for this case we know the distribution for X is given by:
Where and
We are interested on this probability
And the best way to solve this problem is using the normal standard distribution and the z score given by:
If we apply this formula to our probability we got this:
And we can find this probability using excel or the normal standard tabe and we got: