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Oxana [17]
3 years ago
9

What is the probability of being dealt exactly three of a kind (like three kings or three 7’s, etc.) in a five card hand from a

deck of 52 cards?
Mathematics
1 answer:
Drupady [299]3 years ago
6 0

Answer:

P=0.00564

Step-by-step explanation:

From Exercise we have  52 cards.

We calculate the number of combinations to draw 5 cards from a deck of 52 cards. We get

{52}_C_{5}=\frac{52!}{5!(52-5)!}=2598960

We now count the number of favorable combinations:

{13}_C_{1} · {48}_C_{2}= 13 · \frac{48!}{2!(48-2)!}=14664

Therefore, the probabilitiy is

14664/2598960=0.00564

P=0.00564

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When do you reject the null hypothesis?
Nimfa-mama [501]

You reject the Null Hypothesis when you have a small P-Value. Here is an example! Also we never accept the null hypothesis, think of it like this if we bring someone to court you wouldn't say their innocent of a crime, you only know that if they do not get convicted of the crime they are not guilty in the eyes of the law. Same thing applies here, since there could be several answers that satisfy our assumptions made, we can not be certain that 1 of those assumptions is the REAL answer it's just AN answer.

6 0
3 years ago
Please help!! Problem in picture
notsponge [240]
20.if m <6=72, then m < 7=108
21. if m<8,then m<7=80
22.if m<110,then m<6=90
23.if m<123, then m<8=123
24.if m<142, then m<7=38
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3 0
3 years ago
33+34+35+36+...+104 what is the sum of the sequence?
Ray Of Light [21]
This is an arithmetic series, so we know, that:

Sum = (First term + Last term) * Number of terms /2

Here we have:

First term = 33
Last term = 104
Number of terms = 104 - 33 + 1 = 72

and

S=(33+104)\cdot\dfrac{72}{2}=137\cdot36=\boxed{4932}
6 0
4 years ago
(1 pt)
Karolina [17]
C. they are worth the same amount of money, 1/2 and 2/4 are both 50% or 50 cents
4 0
3 years ago
What is the slope of the line graphed below?
Dafna11 [192]

Answer:

-3

Step-by-step explanation:

slope (m) = (y2 - y1)/(x2 - x1)

(1, 1) --> 1 = x1, 1 = y1

(2, -2) --> 2 = x2, -2 = y2

(-2 - 1) / (2 - 1) = -3 / 1 = -3

therefore, the slope is -3

hope this helps <3

4 0
1 year ago
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