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Alecsey [184]
2 years ago
11

Kayla has a standard deck of 52 cards and a six-sided die. What is the probability that she will pull a diamond from the deck of

cards and roll a 1?
Mathematics
2 answers:
gayaneshka [121]2 years ago
4 0
Probability( Pulling a diamond) = 1/4
Propability(Rolling a 1)  = 1/6 

The 2 events are independent so the probabilities are mulitplied:-

Required probability  = 1/4 * 1/6 = 1/24 Answer


stiv31 [10]2 years ago
3 0

Answer: 4.2%

Step-by-step explanation:

The deck has 52 cards, and a standard deck has 13 cards of each type, so there are 13 diamond cards.

Then the probability of drawing a random card that is a diamond card is equal to the number of diamonds card divided by the total number of cards:

p1 = 13/52 = 0.25

now, for the dice we have that the dice has 6 sides, but only one side has a 1, so the probability is;

p2 = 1/6 = 0.167

Now, the probability of both events happening at the same time, is equal to the product of both probabilities is:

P = p1*p2 = 0.25*0.167 = 0.042

So the probability is 0.042*100% = 4.2%

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Answer:

y=2x+3

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2 years ago
At UF, there are always a few days between the end of classes and the beginning of final exams. These days are meant as a study
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Answer:

This sample is not representative of all UF students, since those who are not local are not considered.

Step-by-step explanation:

This is a common statistics practice, when we want to study something from a population, we find a sample of this population.

However, the sample has to be representative

For example:

I want to estimate the proportion of New York state residents who are Buffalo Bills fans. So i ask, lets say, 1000 randomly selected Buffalo residents wheter they are Buffalo Bills fans, and expand this to the entire population of New York State residents. This is not representative of all New York State residents, just Buffalo residents.

In this problem, we have that:

They conduct a phone survey (with local numbers selected at random from the student directory) calling people during "dead week". Will this sample be representative of all UF students?

They only call those students with local numbers.

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8 0
2 years ago
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ivann1987 [24]
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3 0
2 years ago
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A farmer kept 96 kilograms of animal feed in his barn.
lesya692 [45]

Answer:

<em>The amount of animal feed left was 86.4 kilograms.</em>

Step-by-step explanation:

Initial amount of animal feed in the barn was 96 kilograms.

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So, <u>the amount of feed wasted</u> =\frac{1}{10}(96)=9.6 kilograms.

<em>Now, for finding the amount of feed that was left, we need to subtract the amount of wasted feed from the initial amount of feed.</em>

So, the amount of animal feed left =(96-9.6)\ kilograms=86.4\ kilograms

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C. Region D

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