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3 years ago

I need an answer asap

Mathematics

1 answer:

alex41 [277]3 years ago

6 0

Answer:

I think it's the third one, if it helps

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Suppose a jar contains 10 red marbles and 34 blue marbles. If you reach in the jar and pull out 2 marbles at random at the same

denpristay [2]

Answer:

The probability that both are red is $P(red\:and \:red)=\frac{45}{946}\approx0.04756\approx4.756\%$ .

Step-by-step explanation:

Probability is simply how likely something is to happen and its given by

<em>Probability of an event = (# of ways it can happen) / (total number of outcomes)</em>

Two events are dependent when the outcome of the first event influences the outcome of the second event. The probability of two dependent events is the product of the probability of X and the probability of Y AFTER X occurs.

$P(A\:and\: B)=P(A)\cdot P(A|B)$

At our first pull, there is an $P(red)=\frac{10}{10+34}$ chance that a red will be pulled.

At the second pull there is a $P(red)=\frac{9}{9+34}$ chance that the second marble will be red.

Therefore, the probability that both are red is

$P(red\:and \:red)=\frac{10}{10+34}\cdot \frac{9}{9+34}=\frac{45}{946}\approx0.04756\approx4.756\%$

6 0

3 years ago

Helppp me pleaseeee!!!!

Pie

Answer:

c,d,f,g

Step-by-step explanation:

7 0

3 years ago

240 televisions of a store are are high definition. These 240 televisions make up 80% of the televisions. How many televisions a

Eddi Din [679]

Answer:

300

Step-by-step explanation:

Let's call N the total number of televisions. We have that 240 televisions make up of 80% of the total number of televisions, so we can rewrite it as

$0.80 N = 240$

where 0.80 means 80 % ( $\frac{80}{100}=0.8$ . By solving the equation above, we find

$N=\frac{240}{0.80}=300$

So, the total number of televisions is 300.

4 0

3 years ago

Please help? <br> Find measure of angle C

Lelu [443]

Answer:

Step-by-step explanation:

Im pretty sure the answer is 82 as it's a striaght line and all you have to do is subtract 180-98

4 0

3 years ago

Suppose a ship's load has 10 containers in each row from one side to the other, 15 containers in each row from front to back, an

dsp73

Answer:

1200 Containers

Step-by-step explanation:

According To The Question, We Have

10 Containers in each Row from one side to other ( 10 length )
15 Containers in each Row From front Side To Back (15 Breadth)
8 layers of Containers (8 Height)

By All this Data We Found That, Basically A Big Size Cuboid is Formed Here.

Now, For The Total Numbers Of Containers = 10×15×8 = 1200 Containers

8 0

3 years ago