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dexar [7]
4 years ago
5

What are the odds of picking 26 consecutive bingo balls out of a bag and not drawing any Bs, each letter of bingo has 15 balls,

B 1-15, I 16-30, N 31-45, G 46-60, O 61-75. Once a ball is drawn out it can't be put back in the bag.
Mathematics
1 answer:
Bezzdna [24]4 years ago
8 0

Answer:

0.00069104  approximately.

Step-by-step explanation:

You must first calculate the probability of not taking a ball with the letter B.

It would be the sum of the probabilities of taking I, N, G and O.

The probability of getting the letter I would be 15/75, that is 1/5. The same would be for the letter N, G and O. Since the 4 probabilities are equal.

Therefore it would remain (1/5) * 4 = 4/5.

Then the probability of not drawing a letter B would be 4/5.

However, in the case that it does not go out for 26 balls and that the ball that was taken out is not taken into account. It would be the multiplication of all events, that is:

(60/75) * (59/74) * (58/73) * (57/72) * ... * (35/50)

 The result would be 0.00069104  approximately.

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a furniture rental store charges a down payment of $100 and $72.50 per month for a table. Hilde paid $535 to rent the table. Sol
elixir [45]

We are given : In a furniture rental store a down payment  = $100.

Monthly charge of the table = $72.50 per month.

Total amount to be paid for the table = $535.

Let us assume number of months be n for which Hilde rented the table.

We are given equation also 72.50n + 100 = 535.

We need to solve the equation for n.

72.50n + 100 = 535.

<em>Subtracting 100 from both sides, we get </em>

72.50n + 100-100 = 535-100

72.50n = 435

<em>Dividing both sides by 72.50, we get </em>

72.50n/72.50 = 435/72.50

n = 6.

<h3>Therefore, for 6 months Hilde rented the table.</h3>
7 0
4 years ago
Then estimate how many seconds bailey won the race by Elena did 39.51 and bailey did 35.78
Bond [772]
39.51 - 35.78 = 3.73

35.78 seconds is 3.73 seconds faster than 39.51 seconds
3 0
3 years ago
Help him me I’m new here
Stella [2.4K]

Given:

Composite figure made of cylinder and two spheres.

To find:

The volume of the composite solid.

Solution:

Radius = 2 in

The value of π = 3.14

<u>Volume of sphere:</u>

$V=\frac{4}{3} \pi r^3

$V=\frac{4}{3} \times 3.14 \times 2^3

$V=\frac{4}{3} \times 3.14 \times 8

V=33.49

Volume of a sphere is 33.49 in³

Volume of two spheres = 2 × 33.49 = 66.98 in³

Radius of cylinder = 2 in

Height of cylinder = 8 - 2 - 2 = 4 in

<u>Volume of cylinder:</u>

$V=\pi r^2 h

V = 3.14 × 2² × 4

V = 50.24

Volume of cylinder = 50.24 in³

Volume of composite solid = Volume of two spheres + Volume of cylinder

                                             = 66.98 in³ + 50.24 in³

                                             = 117.2 in³

The volume of the composite solid is 117.2 in³.

5 0
3 years ago
The following dotplot shows the number of strokes taken by 20 professional golfers competing at an 18-hole golf course.B? or E?
Savatey [412]

Answer:

Continuous

Step-by-step explanation:

The numbers do not follow a pattern In golf in order for them to be Categorical they must follow a pattern in which the numbers follow the same path or course these numbers do not.

4 0
3 years ago
Read 2 more answers
Messag
sergij07 [2.7K]
Answer: The third choice

Explanation:

This equation does not represent the perimeter.

To write the equation:

2(3x - 1) + (2x + 1) = 55
6x - 2 + 2x + 1 = 55
8x - 1 = 55

Thus, 3 of the choice represent but the the third choice didn’t appear in the equation.
4 0
3 years ago
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