3*3/5=1.8 but, idk how to represent that as a unit fraction
The X-intercepts are where the blue line cross the X-axis.
There is a black dot at (-3,0) and (1,0)
The answer would be the 2nd choice.
Answer:
15.87% probability of selecting a number that is at most 9
Step-by-step explanation:
When the distribution is normal, we use 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 question, we have that:
What is the probability of selecting a number that is at most 9?
This is the pvalue of Z when X = 9. So
has a pvalue of 0.1587
15.87% probability of selecting a number that is at most 9
The weight of 9 bags is 5.4 blocks
<em><u>Solution:</u></em>
Given that,
5 bags weigh the same as 3 blocks
We have to find how many blocks will 9 bags weigh
Let "x" be the weight of 9 bags
Then,
5 bags weigh the same as 3 blocks
9 bags weight the same as "x" blocks
From proportion we can say,
5 : 3 : : 9 : x
Therefore,
Thus the weight of 9 bags is 5.4 blocks
Answer:
x = 9
Step-by-step explanation:
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