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Nat2105 [25]
3 years ago
6

If 18% of the beads in a bag are green, 25% are red, and 40% are purple, what is the probability of choosing a green bead and th

en a purple bead, if you replace the bead in between?
a. 22%

b. 58%

c. 7.2%

d. 4.5%
Mathematics
2 answers:
Elina [12.6K]3 years ago
3 0

the answer is a)22 %

iren2701 [21]3 years ago
3 0

Answer: c. 0.072

Step-by-step explanation:

Given : The probability of getting a green bead = 18% = 0.18

The probability of getting a purple bead = 40% =0.40

If replacement occurs, then the probability of choosing a green bead and then a purple bead will be :-

0.18\times0.40=0.072

Hence, the probability of choosing a green bead and then a purple bead = 0.072

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We know that

Part a) <span>Find the fifth term of the arithmetic sequence in which t1 = 3 and tn = tn-1 + 4
t1=3
t2=t1+4----> 3+4-----> 7
t3=t2+4-----> 7+4----> 11
t4=t3+4-----> 11+4---> 15
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the answer Part a) is 19

Part b) </span><span>Find the tenth term of the arithmetic sequence in which t1 = 2 and t4 = -10

we know that 
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t1=2
t4=-10
n=4
find the value of d
d=[-10-2]/(4-1)-----> d=-12/3----> d=-4
find the </span>tenth term (t10)
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the answer Part b) is -34

Part c) <span>Find the fifth term of the geometric sequence in which t1 = 3 and tn = 2tn-1
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t2=2*t4----> 2*24----> 48

the answer Part c) is 48</span>
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4 years ago
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