GIYS HELP ASAP!!! i need to find the average
2 answers:
Answer:
Step-by-step explanation:
The average can be found by adding up all the values and dividing by the number of values.
1. Add the values
The values are her five test scores: 100, 95, 75, 100, 80
Add them : 100+ 95+75+100+80 = 450
2. Divide by the number of values
She took five tests, so there are five values. Divide 450 by 5.
450/5=90 = 90%
Her average grade is 90%
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Answer:
the probability that the sample mean will be larger than 1224 is 0.0082
Step-by-step explanation:
Given that:
The SAT scores have an average of 1200
with a standard deviation of 60
also; a sample of 36 scores is selected
The objective is to determine the probability that the sample mean will be larger than 1224
Assuming X to be the random variable that represents the SAT score of each student.
This implies that ;
the probability that the sample mean will be larger than 1224 will now be:
From Excel Table ; Using the formula (=NORMDIST(2.4))
P(\overline X > 1224) = 1 - 0.9918
P(\overline X > 1224) = 0.0082
Hence; the probability that the sample mean will be larger than 1224 is 0.0082
Answer and Step-by-step explanation:
is pi, or 3.14159
The absolute value of -4 ( |-4| ) is 4.
These numbers should go in this order:
-10 < 0.121212... < < |-4| <
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