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likoan [24]
3 years ago
10

Suppose that you flip a coin 40 times and count the number of heads. 1.1. What is the distribution of the number of heads assumi

ng the coin is fair
Mathematics
1 answer:
dangina [55]3 years ago
5 0
Answer: You would get 20 heads and 20 tails.

Explanation: Assuming that the coin is fair which you said it is, then you can also assume that there’s a 1/2 probability of getting heads each time you flip it and tails each time you flip it. So since you flipped it 40 times, you would assume to get heads 20 times and tails 20 times.
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I need a process (1) is the right answer<br> Thx~
motikmotik

Yes it is the right answer. Nice job.

The range is the set of possible y values of a function. All you need to do is list off the y coordinates of the points shown. The points on the graph are

(1,2), (5,1), (6,3), (2,5)

in no particular order.

The y coordinates of those points are: {2, 1, 3, 5} which sorts to {1,2,3,5}

8 0
3 years ago
Find two consecutive integers whose product is 6 less than the square of the smaller number
Artyom0805 [142]

Answer:

Hi there!

Your answer is:

The smaller integer is -6

The larger integer is -5

Step-by-step explanation:

Two consecutive integers:

x, x+1

Product= multiply

(x) × (x+1) = x^2 - 6

x^2 + x= x^2 -6

-x^2

x= -6

Plug back in

First integer (smaller):

-6

Second integer (larger):

-6+1

-5

<u>Check</u><u> </u><u>your </u><u>work</u><u>!</u>

(-6) × (-6+1)

(-6)× (-5)

30 = (-6)^2 -6

30 = 36-6

30= 30 ✓✓✓✓

That's how we determine that <em>this </em><em>is</em><em> </em><em>the</em><em> </em><em>corr</em><em>ect</em><em> </em><em>answe</em><em>r</em>

Hopefully this helps

5 0
3 years ago
An ice cream truck started the day with 45 ice cream sandwiches. During a stop at a busy park they sold s ice cream sandwiches.
Leviafan [203]

Answer:

45-21=s

(the answer is 24 btw. you can check this by adding 24 and 21 to get 45 c:)

5 0
3 years ago
Read 2 more answers
Traveling with a speed of 70 mph, a car covered a distance D miles in T hours. Write an equation that relates the distance D thi
lidiya [134]

Answer:

r = d/t

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is the domain and range of:<br> y=(x+5)^2
Harlamova29_29 [7]

Answer:

Domain : R

Range : [0,+∞)

6 0
3 years ago
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