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Galina-37 [17]
2 years ago
7

Enola owns a small business selling ice-cream. She knows

Mathematics
1 answer:
S_A_V [24]2 years ago
6 0

Answer:

5.65................................

Step-by-step explanation:

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A book claims that more hockey players are born in January through March than in October through December. The following data sh
denis-greek [22]

Complete question :

Birth Month Frequency

January-March 67

April-June 56

July-September 30

October-December 37

Answer:

Yes, There is significant evidence to conclude that hockey​ players' birthdates are not uniformly distributed throughout the​ year.

Step-by-step explanation:

Observed value, O

Mean value, E

The test statistic :

χ² = (O - E)² / E

E = Σx / n = (67+56+30+37)/4 = 47.5

χ² = ((67-47.5)^2 /47.5) + ((56-47.5)^2 /47.5) + ((30-47.5)^2/47.5) + ((37-47.5)^2/47.5) = 18.295

Degree of freedom = (Number of categories - 1) = 4 - 1 = 3

Using the Pvalue from Chisquare calculator :

χ² (18.295 ; df = 3) = 0.00038

Since the obtained Pvalue is so small ;

P < α ; We reject H0 and conclude that there is significant evidence to suggest that hockey​ players' birthdates are not uniformly distributed throughout the​ year.

5 0
3 years ago
Could some pls help me!
Aleonysh [2.5K]

39.95 + 9.80 = 49.75

70.23 - 49.75 = 20.48

20.48 / 0.32 = 64

The truck was driven 64 miles.

5 0
3 years ago
5 m<br> 12 m<br> What is the length of the hypotenuse?<br> m
Gelneren [198K]

Answer:

the length is 40m

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Linda fills the rectangular prism above (volume=56 cubed inches) with cubes that have side lengths of 1/3 in. How many cubes doe
Pani-rosa [81]
The answer to your question is 2 2/3
5 0
3 years ago
Can someone please give me the answer I will mark I brilliant
d1i1m1o1n [39]

Answer:

294

Step-by-step explanation:

Area = length x width

Area of one square is 7 x 7 or 49

There are 6 squares so do 49 x 6 or 49 + 49 + 49 + 49 + 49 + 49 + 49

Answer is 294.

7 0
3 years ago
Read 2 more answers
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