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tamaranim1 [39]
2 years ago
13

What is the probability that something with a 2.18% chance of occurring happens 3 times out of 194 events

Mathematics
1 answer:
k0ka [10]2 years ago
4 0

Answer:

0.18431525 = 18.4%

Step-by-step explanation:

General Formula :

total trials Cn⋅p(success)^n⋅p(fail)^total−n

1198144* (.0218)^3 * (1-.0218)^191

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One number is 16 less than 4 times the second number. Their sum is 29. Find the numbers.
aleksklad [387]

Answer:

20,9

Step-by-step explanation:

this is how I did=x=1st, y=2nd; x=4y-16 and x+y=29; thus 4y-16+y=29; 5y-16=29; 5y=45; y=45/5=9, once you know y=9, put in equation, 4y-16=×, (4*9)-16=x, 36-16=x, 20=x

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3 years ago
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3 years ago
You can make 8 pints of purple paint by mixing 6 parts of blue paint to 2 parts of red paint. The employees in the paint departm
natta225 [31]

Answer & Step-by-step explanation:

Since we use 5 parts blue and 3 parts red, the total sections is 8.

28/8 = 3.5

We want to find the red which is 3 parts.

3.5 * 3 = 10.5.

Your answer should be 10.5 pints of red.

Hope this helps!

8 0
2 years ago
A Formula one car travels at 850 feet every 10 seconds. If the Car is 2550 feet from the finish line, How much time will it take
Vinvika [58]

Answer:

30 seconds

Step-by-step explanation:

speed= 850 feet / 10 seconds = 85 feet/ second

distance = 2550

time= distance/speed

= 2550 divided by 85

= 30 seconds

4 0
3 years ago
Allie already owns 33 necklaces, and additional necklaces are priced at 1 for a dollar. How much money does Allie need to spend
ziro4ka [17]

Answer:

75-33=42

Step-by-step explanation:

total (75) minus what she already owns (33) leaves you with how much she still needs since they're each a dollar

6 0
3 years ago
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