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umka2103 [35]
2 years ago
10

Question in attachment​

Mathematics
1 answer:
valkas [14]2 years ago
7 0

Answer:

Hey Dude....

Step-by-step explanation:

This is ur answer.....

<h3><em>(a) Six</em></h3><h3><em>(a) Six(b) 120</em></h3><h3><em>(a) Six(b) 120(c) 720</em></h3>

Hope it helps!

Brainliest pls!

Follow me! :)

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A number minus 11 is 12.
Setler79 [48]

Let n = a number.

n - 11 = 12

n = 12 + 11

n = 23

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2 years ago
It takes 4 3/4 hours to print some letters when 7 printers are used.
romanna [79]

Answer: This is what I could figure out

Step-by-step explanation:

6 0
2 years ago
A fair tossed 10 times . Find the probability of obtaining (i) exactly four heads (ii) 3 heads and 7 tails (iii) at least one he
vodka [1.7K]

Answer:

0.205 ; 0.117 ; 0.999

Step-by-step explanation:

Using binomial probability distribution :

P(x =x) = nCx * p^x * (1 - p)^(n - x)

Probability of success, p = 0.5

P(x = 4) = 10C4 * 0.5^4 * 0.5^6

P(X = 4) = 0.205078125

B.) 3 heads and 7 tails

P(X = 7) = 10C7 * 0.5^7 * 0.5^3

P(X = 7) = 120 * 0.0009765625

P(X = 7) = 0.117

P(atleast one head)

P(x greater than equal to 1) = p(x =1) +... P(x = 10)

Using a binomial probability calculator :

P(x greater than equal to 1) = 0.999

3 0
3 years ago
Miranda earned $c for working 8 hours. Write an expression to show how much Miranda earned for each hour she worked.
BabaBlast [244]
$c/8 
You would substitute the c for the pay per hours and follow the expression through to determine each hour's pay, but since it's not asking for an equation, you don't need to add =(amount) to the end
3 0
3 years ago
P(A)=0.40 p(b)= 0.50 p(A and b) = 0.10 what is p(b/A)? <br><br><br>plz help​
yawa3891 [41]

Answer:

The answer is C, 0.25.

Step-by-step explanation:

In order to find the probability of (B | A), you need to use this formula:

Conditional Probability (A has already occured)

P(B | A) = P(A and B)

                     -------

                      P(A)

If you subsitute in the values you get this:

P(B | A) = 0.10

               ------

               0.40

0.1 divided by 0.4 is equal to 0.25.

 

3 0
3 years ago
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