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3 years ago

Complete the proof. Prove : Vwx XYV

Mathematics

2 answers:

Leviafan [203]3 years ago

6 0

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Alisiya [41]3 years ago

5 0

Answer:

Step-by-step explanation:

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A sample of 100 is drawn from a population with a proportion equal to 0.50. Determine the probability of observing between 43 an

diamong [38]

Answer:

The probability of observing between 43 and 64 successes=0.93132

Step-by-step explanation:

We are given that

n=100

p=0.50

We have to find the probability of observing between 43 and 64 successes.

Let X be the random variable which represent the success of population.

It follows binomial distribution .

Therefore,

Mean, $\mu=np=100\times 0.50=50$

Standard deviation , $\sigma=\sqrt{np(1-p)}$

$\sigma=\sqrt{100\times 0.50(1-0.50)]$

$\sigma=5$

Now,

$P(43\leq x\leq 64)=P(42.5\leq x\leq 64.5)$

$P(42.5\leq x\leq 64.5)=P(\frac{42.5-50}{5}\leq Z\leq \frac{64.5-50}{5})$

$=P(-1.5\leq Z\leq 2.9)$

$P(42.5\leq x\leq 64.5)=P(Z\leq 2.9)-P(Z\leq- 1.5)$

$P(42.5\leq x\leq 64.5)=0.99813-0.06681$

$P(43\leq x\leq 64)=0.93132$

Hence, the probability of observing between 43 and 64 successes=0.93132

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3 years ago

a coyote can run up to 43 mph while a rabbit can run up to 35 mph. Write two equivalent expressions and then find how many more

Dafna11 [192]

The coyote can run 48 more miles than the rabbit

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3 years ago

What is the opposite of 2.5

Kryger [21]

-2.5 because a positives opposite is a negative.

5 0

3 years ago

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If ΔABC≅ΔDEF, then what corresponding side is congruent to side BA?

maks197457 [2]

Answer:

If you have written the sides of both triangles in the same order , The congruent side will be ED . Else it could be anything . It would be more better if you could put a figure

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3 years ago

-4=3x+4 what is the answer?

Arte-miy333 [17]

Answer:

simple

Step-by-step explanation:

-4-4=3x

-8=3x

x=8/3

x=2.678

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3 years ago

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