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3 years ago

13

Plz help lol 400N + 20 <18, 000

1 answer:

Mazyrski [523]3 years ago

5 0

Ans>18000

Step-by-step explanation:

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3 years ago

X varies inversely as y^2, and x = 4 when y = 10. Find x when y = 2.

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3 years ago

Police records in the town of Saratoga show that 17 percent of the drivers stopped for speeding have invalid licenses. If 24 dri

Ymorist [56]

Answer:

Step-by-step explanation:

Given

17 % of the drivers stopped have invalid licenses

n=24 drivers are stopped

using Binomial distribution

$^nC_r(p)^r(q)^{n-r}$

here p=0.17

q=1-0.17=0.83

(a)none will have valid license i.e. r=0

$P(r=0)^{24}C_0(0.17)^0(0.83)^{24}=(0.83)^{24}=0.0114$

(b)Exactly one have invalid license i.e. r=1

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$=0.0561$

(c)At least 2 will have invalid license i.e. $r\geq 2$

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$P(r\geq 2)=0.932$

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3 years ago