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Norma-Jean [14]
2 years ago
11

2 lines intersect. A line with points R, S, U intersects a line with points V, S, T at point S.

Mathematics
1 answer:
Dima020 [189]2 years ago
7 0

Step-by-step explanation:

here is your answer

enjoy

thanks to another users to give this answer

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Left-handedness occurs in about 12% of all Americans. Males are slightly more likely than females to be left-handed, with 13% of
FinnZ [79.3K]

Answer:

a)Both X and Y can be well approximated by normal random variables.

Step-by-step explanation:

For each individual, there are only two possible outcomes. Either they are right-handed, or they are left-handed. This means that we can solve this problem using concepts of the binomial probability distribution.

Binomial probability:

Probability of exactly x sucesses on n repeated trials, with probability p.

The binomial probability can be well approximated by normal random variables, using the expected value E(X) = np and the standard deviation \sigma = \sqrt{np(1-p)}

Let X be the number of males (out of the 100) who are left-handed.

n = 100 and p = 0.13. Can be well approximated.

Let Y be the number of females (out of the 80) who are left-handed.

n = 80 and p = 0.11. Can be well approximated.

The correct answer is

a)Both X and Y can be well approximated by normal random variables.

5 0
3 years ago
What is 2.40 times 2.08
krek1111 [17]
4.992
              Hope it helps:)
3 0
3 years ago
Read 2 more answers
Help pleaseeeee it’s urgent!!!
Ad libitum [116K]

Answer:

(2,-7)

Step-by-step explanation:

Use the midpoint formula! (Attached is a picture of it!)

1) Plug in the values:

(5-1)/2,(-6+-8)/2

2) Simplify:

4/2,-14/2

3) Solve:

(2,-7)

6 0
3 years ago
What is the slope of the line that passes through the points (2,-6) and (-3,7)?
dmitriy555 [2]
B. -13/5
(7- -6)/(-3-2)
5 0
3 years ago
I need step by step explanation for this!
damaskus [11]

Answer:

61

Step-by-step explanation:

  1. 13 - 1 = 12
  2. 12 ÷ 2 = 6
  3. Put 6 and 1 together: 61

Therefore, the number is 61

Let's check:

  1. 6 × 2 = 12
  2. 12 + 1 = 13

The sum of the two digits is 13, and we got that, so we are correct. The number is 61.

5 0
3 years ago
Read 2 more answers
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