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#34285

average

statistics

data analysis

hard

90 sec

A student has taken 4 out of 5 math tests for the semester. Their scores on these 4 tests are 88, 92, 78, and 95. If the student wants to have an average (arithmetic mean) score of exactly 89 for all 5 tests, what score must the student get on the fifth test?

• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-).
• Fractions must be in lowest terms.
• Mixed numbers must be converted to improper fractions.