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alisha [4.7K]
4 years ago
15

An unbiased coin is tossed 20 times find the probability that the coin lands heads exactly 11 times

Mathematics
1 answer:
alexgriva [62]4 years ago
7 0
Both the heads and tails will have a probability of 0.5 with a fair coin. ... TO find probability that foe the 7th toss head appears exactly 4 times.
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Jamal ran 7 kilometers, sprinted 400 meters, and climbed bleachers for a distance of 1.6 kilometers during track practice. How m
seraphim [82]
First, convert 7 kilometers to meters, which is 7000 meters.
Add that to 400, and now you he ran 7400 meters.
Now convert 1.6 kilometers to meters, which is 1600 meters.
Add that to 7400, and the total is 9000 meters.

Hope this helped!
4 0
4 years ago
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Evaluate −5(12)^3x for x = 1.
Dmitrij [34]

Answer:

x=3

Step-by-step explanation:

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4 years ago
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Is it possible for a system to have more than one solution? Explain your answer
Anastasy [175]
A linear system can have infinite solutions if both systems represent the same line. if a linear system down not represent the same line then it can only have one or no solutions. No solution is if the system is representing parallel lines and one solution represents an intersection of the two lines.  in a nonlinear system you can have infinite or up to a maximum of intersections as the highest degree of the systems.
7 0
3 years ago
A patient is to receive 1.5 grams (g) of an antibiotic in 3 equal
nordsb [41]
1.5 g = 1500 mg

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the patient should take 6 tablets each dose.
4 0
3 years ago
At the movie theatre, child admission is $5.80 and adult admission is $9.60. On Thursday, 167 tickets were sold for a total sale
saveliy_v [14]

Answer:

  93 adult tickets

Step-by-step explanation:

Let 'a' represent the number of adult tickets sold. Then total revenue was ...

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  a = 93 . . . . . . . . . . divide by 3.8

93 adult tickets were sold that day.

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74 child tickets were sold

8 0
3 years ago
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