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ExtremeBDS [4]
3 years ago
8

A fair coin is tossed 4 times. what is the probability that at least 2 heads appear

Mathematics
1 answer:
shusha [124]3 years ago
6 0
HHHH TTTT HHHT HHTH HTHH THHH TTTH TTHT THTT HTTT
HHTT HTHT HTTH TTHH THTH THHT 

-  is the sample space.

 Total possible arrangements = 16.
Number  with at least 2 heads = 11

Required probability = 11/16


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2. Evan solved the equation above. He ended up with an improper fraction as his product. Help Evan convert his improper fraction
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I think it would be like how many times does 5 go into 48.. and that would be 9 and 3/5
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Select the points that are solutions to the system of inequalities
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Step-by-step explanation:

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If you have 2/3 and 4/8 are they equivalent? No
damaskus [11]

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No is correct

Step-by-step explanation:

convert 2/3 into 6ths

4/6 = 8/12

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A video game system costs $185 and one video game costs $14.95. You can spend no more than $280 on the system and games. set up
disa [49]

Answer:

Therefore the maximum number of video games that we can purchase  

is 6.

Step-by-step explanation:

i) Let us say the number of video game system we can buy that costs $185

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ii) The total amount we can spend on the purchase of the video game

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iii) Now with the amount of $280 mentioned in ii) we can see that the

   number  of game systems that can be bought is 1.

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5 0
3 years ago
Determine the first four terms of the sequence in which the nth term is...
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Answer:

1/5, 1/6, 1/7, 1/8

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The first terms uses n=2

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The first terms uses n=3

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The first terms uses n=4

a4 = (4+3)!/ (4+4)! = 7!/8! = (7*6*5*4*3*2*1)/(8*7*6*5*4*3*2*1) = 1/8

7 0
3 years ago
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