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3 years ago

227 mg of potassium.what is the diferencie betweem this amount and 1 gram?

Mathematics

1 answer:

Illusion [34]3 years ago

5 0

The answer is 0.227
hope this helps.

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Which of these is a simplified form of the equation 15x + 4 = 5 + 3x + 1x? (2 points)

Mars2501 [29]

Answer:

11x=1

Step-by-step explanation:

15x+4=5+3x+1x Bring everything with an x in front of it to the left side

15x-3x-1x+4=5 Simplify the x values

11x+4=5 Bring the 4 to the right side

11x=5-4

11x=1

3 0

2 years ago

The furniture store where Jada's sister works bought a table for $200 and sold it for $350. What percentage was the markup? I wa

nevsk [136]

Answer:

divide 350 by 200

Step-by-step explanation:

3 0

3 years ago

HELP PLEASE!!!!!!!!!!!!

Serggg [28]

C = total cents
C = 30 + n
I think that's it. Hope it helps you.

8 0

3 years ago

Factor each expression 8 16 =

dalvyx [7]

Since they are just next to each other ill take it multiplication and that would be 128 if its not let me know and ill correct it

8 0

3 years ago

Find the probability of at least 6 failures in 7 trials of a binomial experiment in which the probability of success in any one

oksano4ka [1.4K]

Answer:

$P(x \geq 6)=P(X=6)+P(X=7)$

And we can find the individual probabilities:

$P(X=6)=(7C6)(0.91)^6 (1-0.91)^{7-6}=0.358$

$P(X=7)=(7C7)(0.91)^7 (1-0.91)^{7-7}=0.517$

And replacing we got:

$P(x \geq 6)=P(X=6)+P(X=7)= 0.358+0.517=0.875$

Step-by-step explanation:

Previous concepts

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".

Solution to the problem

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

$X \sim Binom(n=7, p=1-0.09=0.91)$

The probability associated to a failure would be p =1-0.09 = 0.91

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:

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

And we want to find this probability:

$P(x \geq 6)=P(X=6)+P(X=7)$

And we can find the individual probabilities:

$P(X=6)=(7C6)(0.91)^6 (1-0.91)^{7-6}=0.358$

$P(X=7)=(7C7)(0.91)^7 (1-0.91)^{7-7}=0.517$

And replacing we got:

$P(x \geq 6)=P(X=6)+P(X=7)= 0.358+0.517=0.875$

6 0

3 years ago