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BaLLatris [955]
3 years ago
5

In a closed box there are 7 blue balls and 5 red balls. Randomly pick one from the box one at a time until the ball is green, th

en stop. Find the probability that the person stops after the 4th time
Mathematics
1 answer:
timofeeve [1]3 years ago
6 0

Answer:

1/7 is the probabiltiy

Step-by-step explanation:

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a grocery store sells 6-pack of bottled water for $3.79 a 9 pack for $4.50 and a 12 pack for $6.89 which package costs the least
DerKrebs [107]
Find the unit price (price per bottle) 
$3.79 ÷ 6 = $.63 a bottle (approximately)
$4.50 ÷ 9 = $.50
$6.89 ÷ 12 = $.57 (approximately)

So your best bet is the 9 pack.  
You will find that sometimes your best value is not to buy the greatest amount of a product.
4 0
3 years ago
An angle measures 29° . what is the measure of its complement?
Olenka [21]
Complementary angles add up to 90 so 90-29=the complement, which is 61.
7 0
3 years ago
Triangle ABC is rotated to create the image A'B'C'. Which rule describes the transformation?
Masteriza [31]

Answer:

sorry i dont understand

8 0
3 years ago
The probability that a person has a certain disease is 0.03. Medical diagnostic tests are available to determine whether the per
Lina20 [59]

Answer: 0.74

Step-by-step explanation:

A= "The person is sick "

B= "The test gives a positive result"

P(A)=0.03

P(B|A)=0.92

P(B|A')=0.01

P(A')=1-P(A)=1-0.03=0.97

P(B)=P(B|A)P(A)+P(B|A')P(A')=0.92*0.03+0.01*0.97=0.0373

Based in Bayes Rule

P(A|B)=P(B|A)P(A)/P(B)=0.92*0.03/0.0373=0.74

7 0
4 years ago
The top one is right!
Gnesinka [82]

Answer:

alright then thx for the points im doing alot of give aways get there first you win max points rewarded as well so be quick everyones trying to get them

Step-by-step explanation:

6 0
3 years ago
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