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3 years ago

PLZZ HELP I'M GIVING 30 POINTS!!!!!

Mathematics

2 answers:

Daniel [21]3 years ago

5 0

Answer:

i don't know I'm realy sorry but u will get eventually

Svet_ta [14]3 years ago

4 0

Answer:

Scientific notation: t = 2.333 × 10³ s

Standard notation: t = 2 333 s

time = distance/velocity

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3.11 A shipment of 7 television sets contains 2 defective sets. A hotel makes a random purchase of 3 of the sets. If x is the nu

djverab [1.8K]

Answer:

Probability distribution for x:

$P(x=0)=0.3644\\\\P(x=1)=0.4373\\\\P(x=2)=0.1749\\\\P(x=3)=0.0233\\\\$

Step-by-step explanation:

We can model the number of defective sets in the group of TV sets (variable x) as a binomial variable, with sample size=3 and probability of success p=2/7≈0.2857.

The probability of k defective sets in the group is:

$P(x=k) = \dbinom{n}{k} p^{k}q^{n-k}$

So, we have this probabilty distribution for x:

$P(x=0) = \dbinom{3}{0} p^{0}q^{3}=1*1*0.3644=0.3644\\\\\\P(x=1) = \dbinom{3}{1} p^{1}q^{2}=3*0.2857*0.5102=0.4373\\\\\\P(x=2) = \dbinom{3}{2} p^{2}q^{1}=3*0.0816*0.7143=0.1749\\\\\\P(x=3) = \dbinom{3}{3} p^{3}q^{0}=1*0.0233*1=0.0233\\\\\\$

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3 years ago

(12)2what does it equal

julia-pushkina [17]

12 × 2 = 24

anything to ask please pm me

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3 years ago

What is the percent increase 41,700 and 63,00

valentinak56 [21]

Answer:

51.0791%

Step-by-step explanation:

Calculate percentage change

from V1 = 41700 to V2 = 63000

(V2−V1)|V1|×100

=(63000−41700)|41700|×100

=2130041700×100

=0.510791×100

=51.0791%change

=51.0791%increase

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3 years ago

If x = false and y = false, is the statement: not x or not y<br> a) true<br> b) false

pantera1 [17]

Answer:

false

Step-by-step explanation:

X is equal to Y

therefore,

X = Y

X= false

Y = false

so,

false = false

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2 years ago

Interior angle of a regular hexagon

zmey [24]

Answer:

120 degrees the sum of all angle is 720 degrees In the above

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3 years ago

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