Please answer the question from the attachment.

Mathematics

1 answer:

Nostrana [21]4 years ago

5 0

10-4=6
3*2k= 6k
6k=6
K=1 is the answer

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(1/5)^3 as a simplified proper or improper fraction

Rom4ik [11]

Answer:

1/5

Step-by-step explanation:

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2 years ago

What is the value of x?

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4 years ago

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4 years ago

Change $8.25 per hour to dollars per year

Elodia [21]

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3 years ago

A company needed to downsize one department having 25 people consisting of 11 women and 14 men. Eight people were laid off, and

Maksim231197 [3]

Answer:

The probability that 6 or more women would be laid off is P=0.08.

Step-by-step explanation:

In this case, we have a group of people and a proportion of women and men. We can think of the people laid off as a random sample taken from the population (all employees of the department).

The right model to represent that is with a binomial distribution. In this case, the sample size is n=8 and the probability of picking a woman is p=0.44.

According to this model, the probability that 6 or more women, out of 8 persons, would be laid off is:

$P(x\geq6)=1-(P(0)+P(1)+P(2)+P(3)+P(4)+P(5))\\\\ P(0)=\binom{8}{0}p^0(1-p)^8=1*1*0.01=0.01\\\\ P(1)=\binom{8}{1}p^1(1-p)^7=8*0.44*0.02=0.06\\\\ P(2)=\binom{8}{2}p^2(1-p)^6=28*0.19*0.03=0.17\\\\ P(3)=\binom{8}{3}p^3(1-p)^5=56*0.09*0.06=0.26 \\\\ P(4)=\binom{8}{4}p^4(1-p)^4=70*0.04*0.1=0.26 \\\\ P(5)=\binom{8}{5}p^5(1-p)^3=56*0.02*0.18=0.16$

$P(x\geq6)=1-(0.01+0.06+0.17+0.26+0.26+0.16)\\\\P(x\geq 6)=1-0.92=0.08$

5 0

3 years ago