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The mean of a normal distribution is 400 pounds. The standard deviation is 10 pounds.
a. What is the area between 415 pounds and the mean?
b. What is the area between the mean and 395 pounds?
c. What is the probability of selecting a value at random and discovering that it has a value of less than 395 pounds?
A square has a 40-cm diagonal. How long is each side of the square? Round your answer to the nearest tenth of a centimeter.
For the following curve, find the vector equation of the tangent line at t0, and state the slope of the tangent line at t0. [Note that the slope of a vector v=(v1,v2) is v2/v1].
Find all solutions to the two equations: (use radian measure, and algebra techniques. Don't just look for the zeros on a graphing calculator) (a) tan^2(t)-2tan(t)+1=0 (b) 2sin^2(t)-sin(t)-1=0
Imagine that a line on a Cartesian graph is approximately the distance y in feet a person walks in x hours. What does the slope of this line represent? How is this graph useful? Provide another example for your colleagues to explain.
In a bag there are 2 red, 3 yellow, 4 green, and 6 blue marbles. What is the probability of P (yellow or green)? Choose the best answer from the options below
At what time does the stone hit the ground? C. What is the velocity of the stone when it hits the ground?
find both the time and the position of the particle when the particle is further to the left. justify
Assuming that the breaking strengths are normally distributed, what is the probability that one randomly selected steel bar will have a breaking strength in the range from 241 to 252 pounds per square inch?
nbspmarymount is interested in doing a quality of life survey among mu female professors of varying years of
Probability Sampling Without Replacement Card Hands. A hand of 4 cards contains one card of each suit
If an investor purchased 50 shares of Pearson Education stock at $85 per share, 90 shares at $105 per share, 120 shares at $110 per share and another 75 shares at $130 per share. What is the mean cost per share?
question independent bank randomly selected 400 checking account customers amp found that 150 of them also had savings
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