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djyliett [7]
2 years ago
11

In a group of 126 students 57 are seniors, 62 are female and 32 are female seniors. Find the probability that a student picked f

rom this group at random is either a senior or female.
A:32/126
B:62/126
C:57/126
D:87/126
Mathematics
2 answers:
Elina [12.6K]2 years ago
8 0
A : 32/126
I did the test
Lyrx [107]2 years ago
3 0

Answer:

A

Step-by-step explanation:

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Write an equation in slope-intercept form that has m = 5/4 through (-4,-3)
timama [110]

Answer:

y=5/4x + 2

Step-by-step explanation:

Ok so in the point (-4,-3) -4 is x and -3 is y. Now, since you have the slope, 5/4, you can put it into an equation. -3= 5/4(-4) + b. When you multiply 5/4 x -4 you get -3=-5 + b so then add 5 to both sides to get rid of it and you have 2=b. And your equation would be y=5/4x + 2

4 0
2 years ago
g Nationwide, a certain disease occurs only a small proportion of people (.000215). A certain town has 74,000 residents. Use the
Andrei [34K]

Answer:

The probability that the town has 30 or fewer residents with the illness = 0.00052.

Step-by-step explanation:

So, we have the following set of data or information or parameters given from the question above and they are; the number of people living in that particular society/community/town = 74,000 residents and the proportion of people that the diseases affected = .000215.

The first step to do is to determine the expected number of people with disease. Thus, the expected number of people with disease = 74,000 × .000215 = 15.91.

Hence, the probability that the town has 30 or fewer residents with the illness = 1.23 × 10^-7 × 15.91^30/ 2.65253 × 10^-32 = 0.00052.

Note the formula used in the calculating the probability that the town has 30 or fewer residents with the illness =  e^-λ × λ^x/ x!

8 0
2 years ago
What is the product of 1/2 x -1/4 and 5x^2 - 2x + 6? Write in standard form.
geniusboy [140]

Answer:     the product of the first one is (x-2)/(2)

Step-by-step explanation:

7 0
3 years ago
Ray LC is an angle bisector of ∠JLY, m∠JLC = (6x + 1)°, and m∠JLY = (10x + 16)°.
Sloan [31]
4x + 15 = 6x - 1
x = 8
m∠JLC = 47°
3 0
3 years ago
Solve each exponential equation by using properties of common logarithms. When necessary, round answers to the nearest hundredth
Alex17521 [72]

Answer:

The answer is C

Step-by-step explanation:

Just graph these functions lol...

4 0
3 years ago
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