statistics
adult males have normally distributed heights with mean of 69.0 in and a standard deviation of 2.8 in. if a clothing manufacture decides to produce goods that exclude the shortest 12% and the tallest 12% of adult males, find the minimum and maximum heights that they will fit.
statistics
Suppose that the test scores for a college entrance exam are normally distributed with a mean of 450 and a standard deviation of 100. If a student is selected at random what is the probability that the student will score above 600?
Physics
Neglecting air resistance, how high could a 0.15kg baseball be thrown if it is throw straight up at a speed of 25m/s?
math
melissa walks 1 and a half miles to school. After school she walks 7 eights of a mile to the park. how many more miles does she walk to school?
Math (Percentage)
Chet bought a rug that cost $280. He had a coupon for a 10% discount. 1. How much money did he save with the discount? 2. How much did he pay for the rug?
algebra 2
f(x)= X-5 +2
Mathematics
Please help me !!!!!!!!!!!!!! a farmer wants to enclose a rectangular field he needs to put fence posts every 10 ft. how many posts will he need for 200 ft of fencing
Math
a farmer wants to enclose a rectangular field he needs to put fence posts every 10 ft. how many posts will he need for 200 ft of fencing
Calculus
F(x)= ln((3x+6)^4 (x^3 -2)^5 ) F'(x)=
physics
The real image produced by a concave mirror is found to be 0.303 times the size of the ob ject. If the distance from the mirror to the screen on which the image appears is 1.14 m, what is the focal length of the mirror? Answer in units of m
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