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aliina [53]
3 years ago
14

4x+2> or equal to 14 and -21x+1>22, find all real numbers for x

Mathematics
1 answer:
astraxan [27]3 years ago
8 0
4x+2\geq 14\ and -21x+1>22 \\\\4x\geq 12 \ |:3\ and \ -21x>21 \ |:(-21)\\\\ x\geq 3 \ and \ x
No solutions
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A binomial probability experiment is conducted with the given parameters. Compute the probability of x successes in the n indepe
Arlecino [84]

Answer:

P(4) =p(x=4) = 0.205078

Step-by-step explanation:

<u>Explanation</u>:-

The probability of x successes in the n independent trials of the experiment.

Given n=10, p=0.5,

By using Binomial distribution

P(X =x) =  n_{C_{x} } p^{x} q^{n-x}

Given the p = 0.5

               q=1-p =1-0.5=0.5

P(X =4) =  10_{C_{4} } (0.5)^{4} (0.5)^{10-4}

we will use formula

n_{C_{r} } = \frac{n!}{(n-r)!r!}

10_{C_{4} } = \frac{10!}{(10-4)!4!}=\frac{10X9X8X7X6!}{6!4!} =\frac{10X9X8X7}{4X3X2X1} =210

P(X =4) =  210 (0.5)^{4} (0.5)^{10-4}

P(X =4) =  210 (0.5)^{4} (0.5)^{6}

on calculation, we get

P(X=4) = 0.205078

3 0
3 years ago
Which is greater -4 or -5
pychu [463]

Answer:

Step-by-step explanation:

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3 0
3 years ago
Read 2 more answers
Pls help me with this math!
maks197457 [2]

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Using the Pythagorean theorem and the two given sides you can solve for the hypotenuse.


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Rudiy27

Answer:

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Step-by-step explanation:

Given

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Required

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Convert % to decimal

Discount = \$49.95 * 0.40

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<em>Hence, the amount of discount is $19.98</em>

6 0
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