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choli [55]
3 years ago
13

A card is randomly drawn from a deck of cards. (There are 52 cards in a deck, with 13 cards of each suit.) You record the follow

ing results for the experiment. Hearts Clubs Spades Diamonds Times Drawn 28 32 18 22 Which of the following are true? The experimental probability of drawing a club is 32%. The theoretical probability of drawing a diamond is 25%. Based on the experimental probability, there would be 90 spades drawn in 500 trials. Based on the theoretical probability, there would be 120 hearts drawn in 500 trials.
PLEASE HELP !!!!!!!!
Mathematics
1 answer:
Mama L [17]3 years ago
5 0
Based on the theoretical probability the answer would be 1/4
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Help!??? I don’t understand!!!!
Talja [164]

Answer:

0.324

Step-by-step explanation:

So we are taking his hits and dividing by his attempts.

Number of hits was 156 and number attempts is 482.

So punch 156 (division sign) 482 into calculator.

You get 0.32365145 approximately.

So the answer to the nearest thousandths is 0.324.

7 0
4 years ago
What came first into your mind when you read the word “union"? How did you
vodomira [7]

Answer:

well when you hear "union" you think 'joined' or 'together' since thats what it means, In a mathmatical set of numbers, union means that both of the sets are necessary for the equation to be true. I'm not sure what the sets are in this problem but in order to get "union" from anything, that means that when you checked for your domains, the values that you got had to be part of both the given sets

3 0
4 years ago
Neeedd helllp nowwwwwww!!!!! Please!!! Grad point <br> Find the measure of 1.
otez555 [7]

Maybe the answer is

<h3>60°</h3>

<h3>Explanation</h3>
  • The L between 2 and 3 shows that yeah... it has a neat degree (sorry dont know how to explain lol) and so the triangle which has 3 side and total 180° will be 180° : 3 = 60 because the degree is neat. :v

#sorry my english sucks lol

8 0
3 years ago
oakwood has a mass of 2.85 kilograms and a volume of 4100 cubic centimeters. determine the density of oak in grams per cubic cen
bogdanovich [222]

Answer:

The density of oak is <u>0.695</u> grams per cubic centimeter.

Step-by-step explanation:

Given:

Oakwood has a mass of 2.85 kilograms and a volume of 4100 cubic centimeters.

Now, to find the density of oak in grams per cubic centimeter.

Mass (m) = 2.85 kilograms.

So, using conversion factor we convert into grams:

2.85\times 1000=2850\ grams.

Volume (v) = 4100 cubic centimeters.

Now, to get the density by using formula:

Density=\frac{mass}{volume} \\Density=\frac{m}{v}

Density=\frac{2850}{4100}

Density=0.695\ grams\ per\ cubic\ centimeter.

Therefore, the density of oak is 0.695 in grams per cubic centimeter.

6 0
3 years ago
A biker travels the 120 mi from New York , NY to Wilmington, DE in 8 hours. A bus, a truck, and a rider on a horse take the same
pickupchik [31]

Answer:

First, remember the relation:

Distance = Speed*Time.

We know that the distance is 120mi.

A) For the biker we know that:

Time  = 8hours.

Speed = Distance/Time = 120mi/8h = 15 mi/h.

B) For the bus we know that:

Time = 2 hours.

Speed = Distance/Time = 120mi/2h = 60 mi/h.

C) For the truck we know that:

Time = 2.5 hours.

Speed = Distance/Time = 120mi/2.5h = 48 mi/h.

D) For the rider on a horse we know that:

Time = 18.75 hours.

Speed = Distance/Time = 120mi/18.75h = 6.4 mi/h.

E) The equation for the speed is:

Speed = Distance/Time.

You can see that time is in the denominator, this means that if for a fixed distance, the time increases, then the denominator increases, which would imply that the speed decreases.

Then the speed is inversely proportional to the time when the distance is fixed.

4 0
3 years ago
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