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kifflom [539]
3 years ago
13

A cheesecheese can be classified as either raw dash milkraw-milk or pasteurizedpasteurized. Suppose that 9797​% of cheesescheese

s are classified as pasteurizedpasteurized. ​(a) Two cheesescheeses are chosen at random. What is the probability that both cheesescheeses are pasteurizedpasteurized​? ​(b) NineNine cheesescheeses are chosen at random. What is the probability that all ninenine cheesescheeses are pasteurizedpasteurized​? ​(c) What is the probability that at least one of ninenine randomly selected cheesescheeses is raw dash milkraw-milk​? Would it be unusual that at least one of ninenine randomly selected cheesescheeses is raw dash milkraw-milk​?
Mathematics
1 answer:
Volgvan3 years ago
3 0
Yes. Yes it is. Thanks for the awesome question.
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Find the percent of change in altitude if a weather balloon moves from 50 ft to 95 ft. Describe the percent of change as an incr
Luda [366]
The change of the weather balloon would be 90% increase. to get the percentage of change we have to subtract 50 ft to 95 ft, it will then give us the 45 ft change. Then we have to divide 45 ft by 50 ft times 100, it will give us 90%. Then since the change and percentage of change is positive then the change could be describe as increasing.
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My phone rang exactly midway between 10:53 AM one day and 1:05 PM the next day. What time did it ring?
marishachu [46]
The time it rang was 11:59 PM. 
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3 years ago
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in her first 4 games jill averaged 4 points per game. in her next 6 games jill averaged 9 points per game. what was her average
bogdanovich [222]
Number of points Jill scored in the first 4 games = 4 * 4 = 16
number of points Jill scored in the first 4 games = 6 * 9 = 54

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8 0
2 years ago
Is -0.8 greater,less or equal to -0.3
Mrac [35]

Answer:

-0.8 is less than -0.3

Step-by-step explanation:

when dealing with decimals the closer it is to 1 the greater it is

4 0
3 years ago
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Y''+Y'+Y=1<br> solve ordinary differential equation
taurus [48]

Answer:

y(t) = c₁ e^(-1/2 t) cos(√3/2 t) + c₂ e^(-1/2 t) sin(√3/2 t) + 1

Step-by-step explanation:

y" + y' + y = 1

This is a second order nonhomogenous differential equation with constant coefficients.

First, find the roots of the complementary solution.

y" + y' + y = 0

r² + r + 1 = 0

r = [ -1 ± √(1² − 4(1)(1)) ] / 2(1)

r = [ -1 ± √(1 − 4) ] / 2

r = -1/2 ± i√3/2

These roots are complex, so the complementary solution is:

y = c₁ e^(-1/2 t) cos(√3/2 t) + c₂ e^(-1/2 t) sin(√3/2 t)

Next, assume the particular solution has the form of the right hand side of the differential equation.  In this case, a constant.

y = c

Plug this into the differential equation and use undetermined coefficients to solve:

y" + y' + y = 1

0 + 0 + c = 1

c = 1

So the total solution is:

y(t) = c₁ e^(-1/2 t) cos(√3/2 t) + c₂ e^(-1/2 t) sin(√3/2 t) + 1

To solve for c₁ and c₂, you need to be given initial conditions.

5 0
2 years ago
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