Josiah downloads 44 songs including 16 songs by his favorite band. Express as a decimal the number of songs by his favorite band
that Josiah downloaded out of the total number of downloads. Is the decimal terminating or repeating?
2 answers:
Using a calculator, 16/44 = 0.363636363636363636... it goes on and on. It is repeating. If it was terminating, you would see the end.
There are a few ways to report the number, I'm not sure which one you need. A common way to show a repeating decimal is to put a line above it, I will upload a picture of what I mean.
Otherwise, you can round it.
There are a few ways to report the number, I'm not sure which one you need. A common way to show a repeating decimal is to put a line above it, I will upload a picture of what I mean.
Otherwise, you can round it.
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Answer:
Due to the higher z-score, Stewart caught the longer fish, relative to fish of the same species
Step-by-step explanation:
Problems of normally distributed samples are 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.
Who caught the longer fish, relative to fish of the same species?
Whosoever fish's had the higher z-score.
Stewart caught a bluefish that was 283mm
The mean length of a bluefish is 264 millimeters with a standard deviation of 57mm.
So we have to find Z when
Gina caught a pompano that was 152mm long.
For pompano, the mean is 157mm with a standard deviation of 28mm.
So we have to find Z when
Due to the higher z-score, Stewart caught the longer fish, relative to fish of the same species