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3 years ago

Dependent events can best be desrcribed as

Mathematics

1 answer:

PtichkaEL [24]3 years ago

7 0

Answer:

something to happen for it to be able to become an effect i think

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Use the normal distribution to find a confidence interval for a proportion p given the relevant sample results. Give the best po

s344n2d4d5 [400]

Answer:

Step-by-step explanation:

3 0

3 years ago

A bag contains 3 red balls and 1 blue ball. A second bag contains 1 red ball and 1 blue ball. A ball is randomly picked from eac

Firlakuza [10]

Answer:

"2.82" seems to be the correct solution.

Step-by-step explanation:

As we know,

A bag (Bag A) contains,

Red balls = 3

Blue ball = 1

A second bag (Bag B) contains,

Red balls = 1

Blue ball = 1

Now,

⇒ P(Bag A, red ball) = $P(A)\times P(r)\times P(r)$

On substituting the values, we get

⇒ = $\frac{1}{2}\times \frac{3}{4}\times \frac{2}{3}$

⇒ = $\frac{1}{4}$

Similarly,

Probability of second bag will be:

⇒ P(Bag B) = $\frac{1}{2}$

hence,

In the first bag (Bag A), the expected number of red balls will be:

⇒ $E(n)=\Sigma P(n)\times n$

On substituting the values, we get

⇒ $=3 (\frac{1}{4})+2(\frac{1}{8} )+4(\frac{1}{24} )+3(\frac{1}{12} )+3(\frac{4}{20} )+4(\frac{1}{20} )+2(\frac{3}{20} )+\frac{2}{20}$

⇒ $= \frac{169}{60}$

⇒ $=2.82$

7 0

3 years ago

30 points! PLEASE HELP!!<br> please help me with these 5 math questions

Free_Kalibri [48]

Answer:

1. b,

2.octagonal

3.d i think

4.vs

5.d

Step-by-step explanation:

took the quiz

8 0

3 years ago

A sandwich shop charges $3.75 for a sandwich with meat and cheese and $0.15 for each additional topping. You can spend at most $

ZanzabumX [31]

Answer: $3.75 + $0.15n ≤ $5.25

Step-by-step explanation:

$3.75 is the cost of the sandwich

$0.15 is the cost for each additional topping

$5.25 is the maximum amount you can spend

Ask yourself, how many additional toppings can you add before going over the total of $5.25. Since we don't know this value, it's a variable, n.

5 0

3 years ago

Mrs. Wheeler had a bowl of M&M’s sitting on her table. Her daughter Lauren told her that she thought there were 100 M&M’

laiz [17]

There was 33.3% error in her calculation.

Step-by-step explanation:

Approx value thought by Lauren = 100

Exact value counted = 75

Percent error = $\frac{|approx-exact|}{exact}*100$

$Percent\ error=\frac{|100-75|}{75}*100\\\\Percent\ error=\frac{|25|}{75}*100\\\\Percent\ error=\frac{2500}{75}\\\\Percent\ error=33.33\%$

Rounding off to nearest tenth;

Percent error = 33.3%

There was 33.3% error in her calculation.

Keywords: percentage, error

Learn more about errors at:

#LearnwithBrainly

8 0

3 years ago