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DaniilM [7]
3 years ago
11

You pick a card at random, put it back, and then pick another card at random. 2 3 4 5 What is the probability of picking a numbe

r greater than 3 and then picking a 4? Simplify your answer and write it as a fraction or whole number.
Mathematics
2 answers:
Phantasy [73]3 years ago
4 0
3/4 or i think its 75%
olga_2 [115]3 years ago
3 0

Answer:

3/4 or a 75% chance

Step-by-step explanation:

Out of 4 cards ( 2 3 4 5), here are the cards greater than 3: 4, and 5. That leaves you with a 2/4 chance of drawing one of them. (2 cards, 4 in total).

Then, picking a 4 out of 4 cards is a 1/4 chance; since that is one card out of 4 total possibilities.

1/4 + 2/4 = 3/4. Or, a 75% chance.

You might be interested in
Which expression entered into a graphing calculator will return the probability
kirza4 [7]

Answer:

B. binomcdf(100, 0.5, 35)

Step-by-step explanation:

Binomcdf function:

The binomcdf function has the following syntax:

binomcdf(n,p,a)

In which n is the number of trials, p is the probability of a success in a trial and a is the number of sucesses.

35 or fewer heads come up when flipping a coin 100 times.

100 coins are flipped, which means that n = 100.

Equally as likely to be heads or tails, so p = 0.5

35 or fewer heads, so a = 35.

Then

binomcdf(n,p,a) = binomcdf(100,0.5,35)

The correct answer is given by option B.

6 0
3 years ago
A pump started filling an empty pool with water and continued at a constant rate until the pool was full. At noon the pool was \
Tamiku [17]

Answer:

boi

Step-by-step explanation:

b+o+i=boi

3 0
4 years ago
Jack has some marbles. He has ten more red marbles than blue marbles. He has fewer yellow marbles than blue marbles.
kap26 [50]

Answer:

<u>Jack has at least 15 marbles: 12 red, 2 blue and 1 yellow.</u>

Step-by-step explanation:

1. Let's review the information given to us to solve the problem correctly:

Number of red marbles = 10 more than blue marbles

Number of yellow marbles fewer than blue marbles

2. How many of each color marble could Jack have?

r = Number of red marbles

b = Number of blue marbles

y = Number of yellow marbles

r = b + 10

y < b

If y = 1, then b ≥ 2, and r = b + 10,

fulfilling the three conditions, we have:

<u>y = 1, b = 2, and r = 12</u>

5 0
3 years ago
The number of calories in Swiss cheese varies directly with the weight of the cheese. There are about 200 calories in 50 grams o
OlgaM077 [116]
The answer I got was 280 calories. I got that by dividing 200 by 50. Which I then got 4. Then, I multiplied 4 by 70 yo get 280 calories.
5 0
3 years ago
Read 2 more answers
mark has a board that is 12 feet long. he cuts the board into 8 pieces that are the same lenghth. how long is each piece?
Anna71 [15]
(12 ft) / 8 = 1.5 ft = 1 foot 6 inches
3 0
4 years ago
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