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Alina [70]
3 years ago
15

17.

Mathematics
1 answer:
IrinaK [193]3 years ago
6 0

Answer:

1.89%

Step-by-step explanation:

Probability of a person taking the survey = 0.18

probability of a person not taking the survey = 1- 0.18

= 0.82

probability of the first 20 people not taking the survey = 0.82^{20}

= 0.0189

=1.89%

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pls help look at attached image choose any problem u would like to do this is for my middle school math class again pls help and
Sonbull [250]
Can you take a picture again I can’t see anything
3 0
1 year ago
Read 2 more answers
A water tank is 1/8 full the tank is 3/4 full when 42 gallons are added to the tank how much water was originally in the tank
masha68 [24]
<span>A water tank is 1/8 full. The tank is 3/4 full when 42 gallons are added to the tank. How much water was originally in the tank? (I rewrote it, your wording was messed up)

3/4 = 6/8 
1/8 + 6/8 = 7/8 = 42 gallons
42 divided by 8 = 5 1/4

So, the answer is 5 1/4. The tank originally 5.25 gallons of water.</span>
8 0
3 years ago
If there are:
ruslelena [56]

Answer:

0.06

Step-by-step explanation:

Total number of marbles:

6 + 10 + 5 + 1 = 22 marbles

Probability of picking 1 red marble:

red marbles / total marbles

6/22

Probability of picking a green marble:

green marbles / total marbles

5/22

Now, multiply the probabilities:

6/22 • 5/22 = 15/242 = 0.06

5 0
3 years ago
A middle school is selling tickets to a play. The number of child tickets sold is half the number of adult tickets sold. They so
Sidana [21]

Answer:

child tickets - 47

adult tickets - 94

Explanation:

since the number of adult tickets sold is twice that of the number of child tickets sold, we can divide 141 into three parts to find the number of child tickets sold.

141 ÷ 3 = <u>47</u> (number of child tickets sold)

we can now multiply this by two to find the number of adult tickets sold.

47 × 2 = <u>94</u>

i hope this helps! :D

8 0
3 years ago
Anita put $3,000 in a savings account. The account earns an annual interest rate of 3.5%. How much interest will Anita earn afte
jek_recluse [69]
105 hope that helps and always have a great day!
8 0
4 years ago
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