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4 years ago

What is the quantity 0.887 grams expressed in milligrams? use the table to help you?

Mathematics

1 answer:

igor_vitrenko [27]4 years ago

5 0

0.887 grams is equal to 887 milligrams.

Hope this helps!

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Which is a polar form of the following parametric equations ?

Vsevolod [243]

Answer:

r=4sin(theta)

Step-by-step explanation:

x=4sin^2(theta) y=4sin(theta)cos(theta

theta=arcsin((sqrtx)/2)

y=4sin(arcsin(sqrtx/2))cos(arcsin(sqrtx/2))

graph each to see they line up

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3 years ago

PLEASE HELP ME I WILL GIVE BRAINLIEST

crimeas [40]

Answer:

Step-by-step explanation:

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3 years ago

in a certain population, 11% of people are left-handed. Suppose that you plan to randomly select 100 people and ask each person

Assoli18 [71]

Answer:

c. A and C

Step-by-step explanation:

The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".

Let X the random variable of interest, on this case we now that:

$X \sim Binom(n=100, p=0.11)$

The probability mass function for the Binomial distribution is given as:

$P(X)=(nCx)(p)^x (1-p)^{n-x}$

Where (nCx) means combinatory and it's given by this formula:

$nCx=\frac{n!}{(n-x)! x!}$

We need to check the conditions in order to use the normal approximation.

$np=100*0.11=11 > 10 \geq 10$

$n(1-p)=100*(1-0.11)=99 \geq 10$

So we see that we satisfy the conditions and then we can apply the approximation.

If we appply the approximation the new mean and standard deviation are:

$E(X)=np=100*0.11=11$

$\sigma=\sqrt{np(1-p)}=\sqrt{100*0.11(1-0.11)}=3.129$

Part A

We want this probability:

$P(X \geq 12) = 1-P(X$

The z score is defined as

$Z=\frac{x-\mu}{\sigma}$ .

$P(X \geq 12) = 1-P(X$

Part B

P(X>12) = 1-P(X\leq 12) = 1-P(Z< \frac{12-11}{3.129})=1-0.625=0.375[/tex]

Part C

$P(10\leq X \leq 14) = P(X$

The z score is defined as

$Z=\frac{x-\mu}{\sigma}$ .

$P(10 \leq X \leq 14) =P(Z< \frac{14-11}{3.129}) -P(Z< \frac{10-11}{3.129})=P(Z$

So then the best option is : c. A and C

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4 years ago

Which system of equations would have no

jenyasd209 [6]

Answer:

hi it's

Easy B

Step-by-step explanation:

No Problem

8 0

3 years ago

Which sequence begins with 1 and follows this rule? multiply by 2 and add 1.

Olin [163]

Change the information into an equation and do sequence. pull out any necessary information.
y = 2x + 1
starts at 1... so your first sequence is 1.
plug in x=1 then it becomes 3. then the next sequence you plug in 3 (, the answer to your previous solve) you get 7. continue to do this. next sequence you plug in x=7 into the equation y = 2x + 1.
thus, y = 2(7) + 1 =15... so forth...
therefore the answer is B.

Hope this helps :)

5 0

3 years ago