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Ray Of Light [21]
3 years ago
8

Students at a local university have the option of taking freshman seminars during their first year in college. A survey of the f

reshmen revealed the following: Among the social science majors, 50% chose to take a freshman seminar; among the humanities majors, 65% chose to take a freshman seminar; and among the physical science majors, it was 30% . Freshmen make up 32% of undergraduates. The probability of taking a freshman seminar, if a student is a science major, is:
Mathematics
1 answer:
Irina-Kira [14]3 years ago
3 0

complete question

the probability of taking a freshman seminar, if a student is a science major, is:

a) a total probability.

b) a conditional probability.

c) a complete probability.

d) a joint probability.

Answer:

B. Conditional probability

Step-by-step explanation:

In this given question, what we ant to do is to find the probability thst a student who is a science major is taking a freshman seminar. This clearly a case of conditional probability.

In a conditional probability, we are trying to find out the probability of an event occurring given that another event has already occurred. since the student is a science major, the probability of the student taking a freshman seminar is to be determined.

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enot [183]

Answer: Stellas rate per minute is 30 words per minute

Step-by-step explanation:

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A problem states: "There are 7 more girls than boys in a club. There are 23 members in the club in all. How many girls are there
dlinn [17]

Answer:

Step-by-step explanation:

Number of boys = g - 7.

g - 7 + g = 23

2g = 30

g = 15.

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3 0
3 years ago
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Factor (difference of squares) the binomial 25x^2-4 and find one of its factors
Lunna [17]

Step-by-step explanation:

Hey, there!

Here,

Given that:

= 25 {x}^{2}  - 4

we need to find factor,

As it is in a^2-b^2 form as per its factor (a+b) (a-b), keeping same formula here,

25x^2 means (5x)^2

and 4 means 2^2

Now, it would be,

= ( {5x)}^{2}  -  {2}^{2}

= (5x + 2)(5x - 2)

Therefore, it's factor would be (5x+2)(5x-2).

<em><u>Hope it helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

6 0
3 years ago
What is the expression equivalent to 64 - x^2
Murrr4er [49]

Answer: -(x+8)(x-8)

Step-by-step explanation:

-(x^2-64)

x^2-8^2x^2

x^2-8^2=(x+8)(x-8)

-(x+8)(x-8)

8 0
3 years ago
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A postal clerk sold 50 postage stamps for $16.05. Some were 39-cent stamps and the rest were 24-cent stamps. How many 39-cent st
svetoff [14.1K]
39x + 24(50 - x) = 1,605 
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<span>5x = 135 </span>
<span>x = 27 </span>

<span>Answer: 27 of 39-cent stamps were sold</span>
7 0
4 years ago
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