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4 years ago

From the 10 male and 11 females sales Representatives for an insurance company, a team of 3 and a team of 3 women will be select

ed to attend a National conference on fraud. How many ways can the team of 6 be selected

Mathematics

1 answer:

MaRussiya [10]4 years ago

8 0

$10C3\cdot 11C3=\dfrac{10!}{3!7!}\cdot\dfrac{11!}{3!8!}=\dfrac{8\cdot9\cdot10}{2\cdot3}\cdot\dfrac{9\cdot10\cdot11}{2\cdot3}=19800$

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Number of Text Messages a Day A random sample of n = 755 US cell phone users age 18 and older in May 2011 found that the average

Alexeev081 [22]

Answer:

The 95% confidence interval is (29.54 - 53.46}

Step-by-step explanation:

given data:

$\hat X = 41.5$

Se = 6.1

n = 755

a) best estimate $\hat x = 41.5$

b) at 95% confidence interval

$\alpha = 1- 0.95 = 0.05$

$\alpha /2 = 0.025$

$z_{\alpha/2} = z_{0.025} = 1.96$

at 95% confidence interval for [/tex]\mu[/tex]

$\hat x \pm z_{\alpha /2} \times Se$

$41.5 \pm 1.96\times 6.1$

$41.5 \pm 11.96$

The 95% confidence interval is (29.54 - 53.46}

7 0

3 years ago

I need help please?!!!!!

Ket [755]

Answer:

b)11

since 11^2 is 11*11 = 12

and when you take the square root of 121

we get 11

(in b- √11^2) , it cancels out the square

square root cancels square since they perform opposite functions

7 0

3 years ago

Read 2 more answers

Ill mark btainlist pllssss helpp

Hatshy [7]

Answer:

1cm-----80000m

1cm-----8000000cm

1cm×3.275-----80km×3.275

3.275cm

3 0

3 years ago

−20≤59(F−32)≤−15 please i need help<br><br> v+8 <3v+8 <3 or −8v<−40−8v<−40<br><br> 6

ozzi

The answer is -148≤ F≤ -103!

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3 years ago

The distance from Rodney's house to the park is 100 meters. If he walks to the park and back to his house, how far will he have

konstantin123 [22]

Answer:

c. 20,000cm

Step-by-step explanation:

from is house to the park is 100m

from the park back to his house is another 100m

100m+100m=200m

1m = 100cm

200m = xcm

cross multiply

xcm = 200×100

xcm= 20,000cm

3 0

3 years ago