Question

An exam has scores normally distributed with mean 64.1 and standard deviation 5.2. What is the exam score such that 70 percent of scores are larger than that score? Use two digits of accuracy to the right of the decimal. Note: this means that only a number should be entered in this box. Any additional characters will cause the question to be marked wrong.

          An exam has scores normally distributed with mean 64.1 and standard deviation 5.2. What is the
exam score such that 70 percent of scores are larger than that score? Use two digits of accuracy to
the right of the decimal.
Note: this means that only a number should be entered in this box. Any additional characters will
cause the question to be marked wrong.

An exam has scores normally distributed with mean 64.1 and standard deviation 5.2. What is the
exam score such that 70 percent of scores are larger than that score? Use two digits of accuracy to
the right of the decimal.
Note: this means that only a number should be entered in this box. Any additional characters will
cause the question to be marked wrong.

Added by Mario S.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Benjamin Densmore

Step 1

This means that 30% of the scores are less than or equal to \( x \). Show more…

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An exam has scores normally distributed with a mean of 64.1 and a standard deviation of 5.2. What is the exam score such that 70 percent of scores are larger than that score? Use two digits of accuracy to the right of the decimal.