Answered

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A set of data has a normal distribution with a mean of 49 and a standard devſation of 7. Find the percent of data within the following intervalless than 49The percent of data within the given interval is %.(Type an integer or a decimal.)Enter your answer in the answer box

Sagot :

The normal distribution curve looks like this:

The middle line is mean and the 50% of the data are at both sides of the mean.

In our problem, the mean is "49" and we want to find the percentage of data that are less than 49.

It basically means data percentage that is less than the mean.

From the graph, we know 50% of data falls below the mean and 50% falls above the mean.

Hence,

Answer is 50%

View image JazzmynK116560
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