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malfutka [58]
4 years ago
14

1 is 5% of what number?

Mathematics
2 answers:
Vera_Pavlovna [14]4 years ago
6 0
1 is 5% of 20 (twenty)
Nata [24]4 years ago
4 0

1 is 5% of 20


because when you multiply 20 by 5 =  100


I hope that's help !

Happy Sunday:)

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A certain tennis player makes a successful first serve 6969​% of the time. Suppose the tennis player serves 9090 times in a matc
Wewaii [24]

Answer:

a) 4.387

b) Yes, because np & npq are greater than 10.

c) = 0.017          

Step-by-step explanation:

Give data:

p = 0.69

n = 90

a) a

E(X) = np = 62.1

SD(X) = \sqrt{(np(1-p))}

          =\sqrt{90\times 0.69(1- 0.69)}

          = 4.387

b)

np = 62.1  

q = 1 - p  = 1 - 0.69 = 0.31

npq = 19.251

Yes, because np & npq are greater than 10.

c.

P(X \geq 72   ) = P(X > 71.5) [continuity correction]

=    P(Z> \frac{((71.5-62.1)}{ 4.387})

= P(Z> 2.14 )      

= 1 - P(Z<2.14)              

= 1 - 0.983   (using table)          

= 0.017          

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3 years ago
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I think it is c


Explanation
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In the equation y=mx,which statement is not true about m?
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What is x^2-11x-5=0
mr Goodwill [35]

x^2-11x-5=0\\a=1,b=-11,c=-5\\D=b^2-4ac=(-11)^2-4\times1\times(-5)=121+20=141\\x_{1,2}=\dfrac{-b\pm\sqrt{D} }{2a} \\x_1=\dfrac{11+\sqrt{141} }{2} \\x_2=\dfrac{11-\sqrt{141} }{2}

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Answer:

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5 0
3 years ago
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