The passenger train is going 120MPH and the freight train is traveling 40MPH
Answer:
a)15 b)2.34 c)by taking sum of number of toy divide to its numberings
Step-by-step explanation:
- in roman a number of toys is equal to the sum of all toys and standard deviation is obtained from formula
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Multiply sides by 4



Add sides x


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The correct answer is (( C )) .
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Answer:
Statistical inference refers to using a sample of measurements and making generalizations about the important aspects of a population.
Step-by-step explanation:
Statistical inference:
- Statistical inference is use of statistics to draw conclusions about some unknown parameters of a population based on a random sample from that population.
- With the help of sample statistic of a sample drawn randomly from the population, we approximate some properties of population.
- This is known as statistical inferences.
- It is an important method to analyze properties of a population based on the sample.
Answer:
x=5/2
Step-by-step explanation:
Solve
Distribute
Subtract
28
from both sides of the equation
4x+28=38
4x+28
3
Simplify
Subtract the numbers
4x=10
4
Divide both sides of the equation by the same term
4x=10
5
Simplify
Cancel terms that are in both the numerator and denominator
Divide the numbers
I think sry if wrong