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Romashka-Z-Leto [24]
3 years ago
8

You flip Coin A 500 times and heads appear 205 times. When you flip Coin B 250 times tails appear 120 times. Which is the fairer

coin?
Mathematics
1 answer:
Ann [662]3 years ago
7 0
Reinterpreting the question, it's asking us to find which coin has a closer probability to 50% of getting either heads or tails.

Coin A
205 / 500 = .41 = 41%

Coin B
120 / 250 = .48 = 48%

Since 48% is closer to 50% than 41% is, coin B is the fairest.
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A recent poll found that 35% of those surveyed are worried about aggressive drivers on the road. If three people are selected at
Ugo [173]

The probability that all three people surveyed is an independent probability and the calculated probability is 0.1225

The probability a surveyed driver is worried = 35%

  • P(worried) = 0.35

  • Number of people surveyed = 3

Since the probability of being worried is independent ;

  • Probability = P(A) × P(B) × P(C)

The probability that all 3 surveyed are worried :

  • P(worried) × P(worried) × P(worried)
  • (0.35 × 0.35 × 0.35) = 0.1225

Therefore, the probability that all three people surveyed are worried is : 0.1225

Learn more : brainly.com/question/18153040

5 0
3 years ago
A rectangle measures 12 cm by 4 cm what is the area
Maslowich
In order to find the area you have to multiply length x width 
In this case our length and width are 12cm and 4cm 
So lets multiply those. :P
12 x 4 = 48 cm

Your area = 48cm²

Good Luck! :)
6 0
4 years ago
1/4 × -2/3 = how do I solve this problem
Katyanochek1 [597]

\bf \cfrac{1}{4}\times \cfrac{-2}{3}\implies \cfrac{1\times -2}{4\times 3}\implies \cfrac{-2}{12}\implies \stackrel{simplified}{-\cfrac{1}{6}}

6 0
3 years ago
Read 2 more answers
Please help. Here's the question
kakasveta [241]
He goes 1.5k/h. To get that you divide the km by the hour. Then multiply the hour by 1.5 to get the km. (Ex. 2hrs x 1.5km = 3km)
6 0
3 years ago
A rocket is shot in the air at an initial velocity of 12 800 miles per hour. If 1 mile is equal to 5 280 feet, then what is the
Natasha_Volkova [10]

Answer:

GIVEN,

Initial velocity of the rocket = 12800miles/hour

1 mile = 5280 feet

Initial velocity of the rocket in miles/second = (12800*5280)/60*60 feet/second = 18773.33333...feet/second.

THANK YOU FOR READING.

6 0
3 years ago
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