exam
Maths Puzzle
Numerical Ability
what is the minimum score needed to make on the 5th test so that the mean test score is at least 85? The first 4 test were 87, 92, 76, and 89
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exam Other Question
The batteries used in a digital watch have an operating life that is normally distributed. As sample of 16 batteries reveals a mean of 3.45 years and a standard deviation of 0.3 y
indicate whether each statement is true Always, Sometimes, or never.
a. If a triangle is obtuse, it is isosceles.
b. The bisector of the vertex angle of a scalene triangle is p