Suppose a study finds that the wing lengths of houseflies are normally distributed with a mean of 4.55mm and a standard deviation of about 0.392mm. What is the probability that a randomly selected...

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Suppose a study finds that the wing lengths of houseflies are normally distributed with a mean of 4.55mm and a standard deviation of about 0.392mm. What is the probability that a randomly selected...

I really need help with his problem because I have done this problem a million times and still have it wrong.

The multiple choice answers are 16,36,39,43. How is this not 24??

A population is approximately Normal with a standard deviation of 5. You sample 24 individuals from this population and find that the sample mean equals 25.0. Determine the 95% confidence interval...

f(x)= x^2+3x-54 ------------- x^2-36 A. x=-6 B. x= 2/3 C. x= 6 D. x= 9 E...

f (x) = x2 - 2x - 3 (a) a. 1, -3 b. f (0) = -3 (b) a. -1,3 b. f (0) = 0 (c) a. 1, -3 b. f (0)...

of YCl3. Determine the number of grams of Na2So4 that are needed to react with it. I got the formula weight of YCl3 as 195.5 grams, but now I'm stuck.

Im not sure how youd do this, you have to also graph it

------------ | | <-- The figure look something like this | | ...

Mr. Graham invested some of his $18,000 in bonds that made a 5% profit, and the rest in bonds that made a 12% profit. If the profit of the 12% bonds was $885 more than the profit on the 5% bonds,...

You have an account that currently has $3,000 in it; you’re adding $25 per month and you’re earning 4.3% interest annually. How much money will you have in the account in 12 years?

Find the maximum of f(x,y)=xy on the constraint curve (x+1)2+y2=1.

Find the arc length of the curve c(t)=(t3/2,cos(2t),sin(2t)), 0<=t<=1.

Griff's property tax is $659.33 and is due April 15. He does not pay until June 21. The county adds a penalty of 9.4?% simple interest on unpaid tax. Find the penalty Griff will pay. ? (Assume there...

the sun radiates energy at a rate of about 4 *10^26 W. Estimate how much of the suns energy is about 150*10^6 km from the sun. What assumptions did you make?

Complete the pattern for the following patterns 3,-6,12,4,20,? 7,16,8,27,9 ? 2,7,26,101,400,? 7,21,8,72,9,?

The height of a ball thrown from the top of a platform can be modeled by the equation f(x)=-16x2+6x-34, where f(x) is the height, in feet, x seconds after the ball was thrown. Complete the square...

A penny was dropped from the window of a building, 64 feet above the ground. Write an equation for the height of the penny, h, at the time t seconds after it was dropped.

The pioneers of the teaching of science imagined that its introduction into education would remove the conventionality, artificiality, and backward-lookingness which were characteristic; of...

A line perpendicular to the graph of -x=7y-14

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