What is .375 as a fraction
2 answers:
Answer:
Step-by-step explanation:
To get rid of the decimal point in the numerator, we count the numbers after the decimal in 3.375, and multiply the numerator and denominator by 10 if it is 1 number, 100 if it is 2 numbers, 1000 if it is 3 numbers, and so on.
<em><u>Therefore, in this case we multiply the numerator and denominator by 1000 to get the following fraction:</u></em>
Then, we need to divide the numerator and denominator by the greatest common divisor (GCD) to simplify the fraction.
<em><u>The GCD of 3375 and 1000 is 125. When we divide the numerator and denominator by 125, we get the following: </u></em>
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Here’s da answer your welcome
Answer:
0.13% of students have scored less than 45 points
Step-by-step explanation:
Problems of normally distributed samples can be solved using the z-score formula.
In a set with mean and standard deviation
, the zscore of a measure X is given by:
The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.
In this problem, we have that:
About what percent of students have scored less than 45 points?
This is the pvalue of Z when X = 45. So
has a pvalue of 0.0013
0.13% of students have scored less than 45 points