3 1/3x-5.3= -2 solve for x
1 answer:
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Answer:
Step-by-step explanation:
The z-score tells us how many standard deviations a value is away from the mean.
The formula is:
where x is the value, is the mean, and s is the standard deviation.
We want to find the z-score for the score of an 83, the mean is 72, and the standard deviation is 5.
Substitute the values into the formula.
Solve the numerator.
Divide.
The z-score is 2.2, which means the score of 83 is 2.2 standard deviations above the mean.
Answer:
The total distance they will travel on their trip is 308 miles.
Step-by-step explanation:
This question can be solved using a rule of three.
114 miles is 37% = 0.37. How many mines are 100% = 1?
114 miles - 0.37
x miles - 1
Rounding to the nearest mile
The total distance they will travel on their trip is 308 miles.