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masya89 [10]
2 years ago
12

In a large population, 57 % of the people have been vaccinated. If 5 people are randomly selected, what is the probability that

AT LEAST ONE of them has been vaccinated?
Mathematics
1 answer:
My name is Ann [436]2 years ago
5 0

Answer:

0.986

Step-by-step explanation:

Probability of at least one being vac = 1 - Probability of all 5 not vac

1 - (1-0.57)^5 = 1 - (0.43^5) = 1 - 0.014 = 0.986

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lina2011 [118]

Answer:

17. 20  

18. 50

19. 50

20. 70

21. 110

22. 160

Step-by-step explanation:

I did this assignment already :)

7 0
3 years ago
A race car game takes 6 points from a player each time the player hits a cone. What integer represents the change in total point
Helga [31]

Given:

A race car game takes 6 points from a player each time the player hits a cone.

To find:

The integer which represents the change in total points if the player hits 10 cones.

Solution:

According to the given information,

1 hit = -6 points

Here, negative sign represents the reduction in points after hitting a cone.

If the player hits 10 cones.

(1 × 10) hit = (-6 × 10) points

10 hit = -60 points

So, the change in total points if the player hits 10 cones is -60.

Therefore, the required integer is -60.

3 0
3 years ago
Plz solve it is ergent <br>​
soldier1979 [14.2K]

Answer:

first term = 2 ...(given)

second term = f (2) = f (2-1) * 5 = 1 * 5 = 5. .....[according to the formula f(n) = f (n -1) *5 ]

third term = f (3) = f ( 3 - 1 ) * 5 = 2 * 5 = 10

fourth term = f (4) = f (4 - 1) * 5 = 3 * 5.= 15

fivth term = f (5) = f ( 5 - 1) * 5 = 4* 5. =20

7 0
3 years ago
PLEASE HELP!! this is due soon and i rlly need help
egoroff_w [7]

Answer:

Solution given:

r=3km

area of sector bounded by a 90° arc=90°/360°*πr²

=¼*π*3²

=<u>9/4 π or 7.068km²</u>

is a required answer

6 0
2 years ago
Read 2 more answers
Find domain and range.<br>​
user100 [1]

Answer:

2.

Domain: all real values of x

Range: f(x)》-4

3.

Domain: all real values except x = 0

Range: All real values except f(x) = 0

Step-by-step explanation:

2.

Domain: all real values of x

Range: f(x)》-4

Because this is a concave up quadratic with a minimum turning point at (0,-4)

3.

Domain: all real values except x = 0

Range: All real values except f(x) = 0

Since x is in the denominator, it can't be 0

For f(x) = 0, x has to be infinity

3 0
3 years ago
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