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Galina-37 [17]
3 years ago
11

Given 8 students 3 of which are females if 2 students are selected at random without replacement what is the probability that bo

th students are female?
Mathematics
2 answers:
Gre4nikov [31]3 years ago
4 0
3/8

37.5% that they will be fremale
Sedaia [141]3 years ago
4 0
P(1th fem)=3/8
p(2th fem)=2/7
so p(1&2 fem)=3/8.2/7=3/28
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If i^2 = −1 and a = (i + 7), which is the result of squaring a?
Artyom0805 [142]

Answer:

48+14i

Step-by-step explanation:

So squaring (i+7) looks like this

(i+7)^2

(i+7)(i+7)

Use foil.

First: i(i)=i^2=-1

Outer: i(7)=7i

Inner: 7(i)=7i

Last: 7(7)=49

____________Add the terms.

48+14i

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3 years ago
Alright guys, HELP! Please!
MrRa [10]
6.2 = 1.2\pi\sqrt{L(0.0001)}
\frac{6.2}{1.2\pi} = \frac{1.2\pi\sqrt{L(0.0001)}}{1.2\pi}
1.644601079 = \sqrt{L(0.0001)}
(1.644601079)^{2} = (\sqrt{L(0.0001)})^{2}
2.704712708 = L(0.0001)
\frac{2.704712708}{0.0001} = \frac{L(0.0001)}{0.0001}
27047127.08 = L

I had to divide each number by 1.2π, make sure that it can be multiplied by itself twice, and have to divide it by 0.0001 to find out what L is equal to.
7 0
3 years ago
Plz help i will mark brainliest
bulgar [2K]

Answer:

1. -|12|

2. -5

3. -1

4. |-1|

5. 12

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!
RoseWind [281]

Answer:

  • Statistics;
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Step-by-step explanation:

According to southeastern.edu,

  • parameters summarize data from an entire population, whereas
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The first statement is true for the sample "those surveyed" the population but not necessarily the entire population. Statistic.

The second statement implies that the soccer team is the population. All members of the population are surveyed. Parameter.

The third statement states that a sample of 100 of all swimming teams are surveyed. Statistic.

The fourth statement implies that the population is all members of the golf team, and that all members of the population are surveyed. Parameter.

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3 years ago
Michael keeps track of how much time he uses his
Valentin [98]

Answer:

we have to see the table

Step-by-step explanation:

say that y is the calculated time

and x is the weeks

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3 years ago
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