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german
3 years ago
9

Please help me on this one! this is timed

Mathematics
2 answers:
Andrej [43]3 years ago
8 0
I do believe the answer is 42 I may be wrong but i think it's right
Hope this helped :}
Sowwy if it didn't :{

e-lub [12.9K]3 years ago
6 0
42 brotha you gotta cut down the data set until you reach the median
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The local grocery store wants to know if the shoppers prefer Crest or Colgate toothpaste. The store gives all of its shoppers a
ch4aika [34]

i think the answer is letter C

5 0
4 years ago
A real estate company is interested in the ages of home buyers. They examined the ages of thousands of home buyers and found tha
egoroff_w [7]

Answer:

Between 21 years and 75 years

Step-by-step explanation:

Given that a real estate company is interested in the ages of home buyers. They examined the ages of thousands of home buyers and found that the mean age was 48 years old, with a standard deviation of 9 years.

X the ages of home buyers is N(48, 9)

a) 30\leq x\leq 66\\|x-48|\leq 18\\|x-48|\leq 2\sigma

Hence using Cheby chev inequality

P(|x-48|\leq 2\sigma)\geq 1-\frac{1}{2^2} \\=0.75

b) 25.5\leq x\leq 70.5\\|x-48|\leq 22.5\\|x-48|\leq 1.5\sigma

P(|x-48|\leq 1.5\sigma)\geq 1-\frac{1}{1.5^2} \\=0.556

c) Using normal distribution we have

P(|x-48|\leq 2\sigma)=0.95

d) z value is 2.97

Hence x lies between

(48-9*2.97, 49+9*2.97)\\=(21.27,74.73)

Between 21 years and 75 years

4 0
4 years ago
Can someone help me pls
Soloha48 [4]
C!!!!!!!!!!!!!!! Hope I’m right
4 0
3 years ago
Find the area of the triangle.<br> 3 m<br> 6 m
belka [17]

Answer:

18m

Step-by-step explanation:

3m and 6m.

3mX6m

equals to 12m

3 0
3 years ago
Read 2 more answers
If one box has a surface area of 240 inches what is the surface area of 5 boxes??
lidiya [134]

Answer:1200

1 box=240

so if you take 240 x5 you get 1200

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
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