How to use the numbers 2,4,6,and 8 to get the answer 1,2,3,4,5,6,7,8,9,and 10?
1 answer:
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Answer:
Step-by-step explanation:
Define a rational number by a number able to expressed a fraction where the denominator is not 0 or 1.
Non-terminating (never-ending) decimals cannot be expressed as a fraction and therefore are irrational. However, recall that , which can be expressed as a fraction (e.g.
, etc). Thus, the answer is
.
Answer:
The proportion of baby boys in the United States that are born with low birth weight is 0.0495.
Step-by-step explanation:
Problems of normal distributions 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.
3.41 kg with a standard deviation of 0.55 kg.
This means that
What proportion of baby boys in the United States are born with low birth weight?
This is the pvalue of Z when X = 2.5. So
has a pvalue of 0.0495
The proportion of baby boys in the United States that are born with low birth weight is 0.0495.