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enot [183]
3 years ago
14

Imran has a list of his top 10 favorite movies. When he sees a new movie and adds it to his list, he moves Speed Racer down thre

e places. Which of these represents the "zero" for the situation? the new movie added to the list the position of Speed Racer before it is moved the position of Speed Racer after it is moved the first place on the list
Mathematics
1 answer:
Radda [10]3 years ago
4 0
Chech that question again
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Area of triangular prism
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Find the next number in the sequence 32, 48, 56, 60, 62
Kruka [31]

Answer: divide 2 from what you got from the last one

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The following are the number of sales which a sample of 9 car salespeople of an insurance company in Florida and a sample of 8 s
Montano1993 [528]

Answer:

There is no difference in the number of sales between The Florida salespeople and Washington salespeople

Sp^2 = 39

Step-by-step explanation:

Given data :

Florida: 39, 44, 42, 50, 55, 48, 51, 38, 54

Washington: 42, 43, 56, 50, 49, 52, 53, 56

number of sales persons in Florida = 9

number of sales persons in Washington = 8

variance = constant

a)Determine if there is difference between the Florida salespeople and Washington salespeople

we will carry out a two tailed test based on the given data

H0 : u1 = u2  

H1 : u1 ≠ u2

x ( mean ) = 46.77,  y ( mean ) = 50.13 ,

s1^2 = 39.69,  s2^2 = 28.41,   n1 = 9 ,   n2 = 8

therefore :

Sp^2 = \frac{n1s1^2 + n2s2^2}{n1 + n2-2} =  38.96  ≈ 39

performing test statistic

t = \frac{x- y }{sp\sqrt{\frac{1}{n1} +\frac{1}{n2} } }    = \frac{-3.36}{3.0330} = -1.1078

critical value is at t = 0.05 and for a two tailed test it is at 2.13  therefore e accept H0 at 5% .    This shows that there is no difference in sales

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3 years ago
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