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Sonja [21]
3 years ago
7

If one student is chosen to represent the student body, what are the odds in favor of selecting a female?

Mathematics
1 answer:
stiks02 [169]3 years ago
5 0
Number total of Male students: M=120+100+130+150→M=500
Number total of Female students: F=150+100+110+175→F=535
Number total of students: T=M+F=500+535→T=1,035

Probability of select a female: P(F)=F/T
P(F)=535/1,035
P(F)=107/207
P(F)=0.516908213
P(F)=0.5169
P(F)=0.5169*100%
P(F)=51.69%

Answer: T<span>he odds in favor of selecting a female are 0.5169 or 51.69% </span>
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4 0
3 years ago
Solve the equation.
nadya68 [22]

Answer:

A. No solution

Step-by-step explanation:

The given equation is 4(2 x + 9) = 4(2 x +6)

We divide through by 4 to get:

2 x + 9 = 2 x +6

We now group similar terms to obtain:

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Therefore the given equation has no solution.

7 0
3 years ago
What digit makes each number divisible by nine?<br><br> _7,302
Alborosie

Answer:

Not completely sure but hopefully these will help.

Step-by-step explanation:

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8 0
3 years ago
.At a certain animal shelter, the ratio of puppies to adult dogs is 7 to 4. This week there are a total of55 dogs in the shelter
Advocard [28]

Answer:

There are 35 adult dogs and 20 puppies

<em></em>

Step-by-step explanation:

<em>Represent the puppies with P and the Adult dogs with A</em>

Given

A : P = 7 : 4

Dogs = 55

Required

Determine A and P

First, we need to sum the ratios;

Total = A + P

Total = 7 + 4

Total = 11

Adult Dogs is then calculated as follows;

A = \frac{A\ Ratio}{Total} * Dogs

A = \frac{7}{11} * 55

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A = 35

Puppies is calculated by subtracting the number of adult dogs from the total

P = Dogs - Adult\ Dogs

P = 55 - 35

P = 20

<em>Hence;</em>

<em>There are 35 adult dogs and 20 puppies</em>

3 0
3 years ago
Mr. Barnett’s test is normally distributed with a mean of 65 with a standard deviation of five points what is the probability th
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Answer: 2.5%

Step-by-step explanation:

Mean score = 65

Standard deviation = 5

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Z - score = 10 ÷ 5 = 2

P(score higher than 75) = 100 - 95 = 5/2 = 2.5%

4 0
3 years ago
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