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Jet001 [13]
3 years ago
10

A sample of 4 different calculators is randomly selected from a group containing 14 that are defective and 34 that have no defec

ts. What is the probability that a sample of four calculators from this batch will contain no defective calculators
Mathematics
1 answer:
rusak2 [61]3 years ago
3 0

Answer:

below

Step-by-step explanation:

P (at least one defective) = 1 - P(all calculators work)

=  

1

−

(

30

46

×

29

45

×

28

44

×

27

43

)

=

1

−

1827

10879

 

=  

9052

10879

≈

0.832

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Write the percent as a fraction or mixed number in simplest form.
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Answer:

\frac{29}{40}

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= \frac{0.725*1000}{1*1000}

=\frac{725}{1000}

=\frac{725/25}{1000/25}

=\frac{29}{40}

:) I hope this helped you

5 0
3 years ago
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Find m angle TUV if m angle TUN=1+38 pi m angle NUV=66^ m angle TUV=105x
ipn [44]

Answer:

m∠TUV = 105

Step-by-step explanation:

From the question given above, the following data were obtained:

m∠TUN = 1 + 38x

m∠NUV = 66°

m∠TUV = 105x

m∠TUV =?

Next, we shall determine the value of x. This can be obtained as illustrated below:

m∠TUV = m∠TUN + m∠NUV

105x = (1 + 38x) + 66

105x = 1 + 38x + 66

Collect like terms

105x – 38x = 1 + 66

67x = 67

Divide both side by 67

x = 67 / 67

x = 1

Finally, we shall determine the value of m∠TUV. This can be obtained as shown below:

m∠TUV = 105x

x = 1

m∠TUV = 105(1)

m∠TUV = 105

5 0
3 years ago
Please help!! ASAP!!! Top 3 mainly
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