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Katena32 [7]
3 years ago
9

in a survey of a group of people, showed that,45 liked lassi,40 liked juice,60 liked curd,10 liked juice as well as lassi,25like

d lassi as well as curd,20 liked juice as well as curd n 5 like all three.how many people were asked this question? solve by drawing the venn diagram.​
Mathematics
1 answer:
zhannawk [14.2K]3 years ago
3 0

let L,J and C be lassi , juice, and curd respectively

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The probability that a male will be colorblind is .042. Find the probabilities that in a group of 53 men, the following are true
Dvinal [7]

Answer:

See below for answers and explanations

Step-by-step explanation:

<u>Part A</u>

\displaystyle P(X=x)=\binom{n}{x}p^xq^{n-x}\\\\P(X=5)=\binom{53}{5}(0.042)^5(1-0.042)^{53-5}\\\\P(X=5)=\frac{53!}{(53-5)!*5!}(0.042)^5(0.958)^{48}\\\\P(X=5)\approx0.0478

<u>Part B</u>

P(X\leq5)=P(X=1)+P(X=2)+P(X=3)+P(X=4)+P(X=5)\\\\P(X\leq5)=\binom{53}{1}(0.042)^1(1-0.042)^{53-1}+\binom{53}{2}(0.042)^2(1-0.042)^{53-2}+\binom{53}{3}(0.042)^3(1-0.042)^{53-3}+\binom{53}{4}(0.042)^4(1-0.042)^{53-4}+\binom{53}{1}(0.042)^5(1-0.042)^{53-5}\\\\P(X\leq5)\approx0.9767

<u>Part C</u>

\displaystyle P(X\geq 1)=1-P(X=0)\\\\P(X\geq1)=1-(1-0.042)^{53}\\\\P(X\geq1)\approx1-0.1029\\\\P(X\geq1)\approx0.8971

6 0
2 years ago
In 1929 Edwin Hubble investigated the claim that distance (explanatory) and radial velocity (response) of extragalactic nebulae
Serhud [2]

Answer:

honestly this is very confusing could you send a graph?

Step-by-step explanation:

5 0
4 years ago
Given a = -3 and b= 4 and c=-5, evaluate<br> atb<br> C<br> -1/5<br> O 1/5<br> 0 -7/5
stiv31 [10]

Answer:

I got - 5 as an answer.

I don't think I made a mistake.

Please if you find any error, contact me in the comment section.

Step-by-step explanation:

a = -3 , b= 4 ,c= - 5\\(a+b)c\\(-3+4)-5\\(1)*(-5)\\Answer =  -5

8 0
3 years ago
Prove algebraically that n^2-2-(n-2)^2 is always even
Juliette [100K]

Answer:

It is even because it is equal to 2(2n-3) so you can divide it by two and get (2n-3)

Step-by-step explanation:

{n}^{2}  - 2 - ( {n}^{2}  + 4 - 4n) =  \\  {n}^{2}  - 2 - {n}^{2}   - 4  +  4n = \\ 4n - 6 = 2(2n - 3)

6 0
3 years ago
Read 2 more answers
Felix and his mom have been saving recycling items for months, and today they traded them in. They made $42 on cans, $19 on glas
andrew-mc [135]

Answer:

That is not a good estimate.

Step-by-step explanation:

42 + 19 = 61

61 + 32 = 93

Feel free to let me know if you need more help. :)

8 0
3 years ago
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