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Minchanka [31]
2 years ago
14

2 FOR 2.20 UNIT RATE

Mathematics
1 answer:
dlinn [17]2 years ago
5 0

Answer: (if your asking for the unit rate of that)

the unit rate is 1.10

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Peter calculated that the theoretical probability of obtaining exactly two heads when flipping six coins is 23.4%. What number o
Nimfa-mama [501]

Answer:

The theoretical probability of obtaining exactly four heads when flipping six coins is also 23.4%.

Step-by-step explanation:

Getting x successes out of n trials is a binomial distribution and is given by:

p(x) = nC_{x} p^{n-x} q^{x}

Here, n = 6

x = 2

p = probability of one head = \frac{1}{2}

q = 1 - p

= 1-\frac{1}{2}

= \frac{1}{2}

Substitute these values, we get,

p(2) = 6C_{2} (\frac{1}{2} )^{6-2} (\frac{1}{2} )^{2}

= 15(\frac{1}{2} )^{6}

= \frac{15}{64}

= 0.234

= 23.4%

We know that 6C_{2} =6C_{6-2}

6C_{2} =6C_{4}

Now,

p(4) = 6C_{4} (\frac{1}{2} )^{6-4} (\frac{1}{2} )^{4}

= 15(\frac{1}{2} )^{6}

= p(2)

Hence, the theoretical probability of obtaining exactly four heads when flipping six coins is also 23.4%.

7 0
3 years ago
Write the equation of the line in slope-intercept form using y=mx+b​
artcher [175]
Answer:
y=2x+0

Explanation:
To find the “b” of this equation you simply see where the line hits the y- intercept , in this case it will be 0. And to find the “m” of this equation you find the rise over run . Hope that helps.
3 0
3 years ago
How many grams of fat are contained in a 2500 calorie diet if 450 calories are derived from fat?
trapecia [35]

Answer:

450 calories of fat contain 50 gram

Step-by-step explanation:

Given data in question

total calorie = 2500 calories

fat = 450 calories

to find out

How many grams of fat

Solution

we know that 1 gram of fat contain 9 calories and one gram of protein and carbohydrate contain 4 calories.

so we have given that 450 calories of fat

9 calories of fat contain = 1 gram

1 calories of fat contain = 1/9 gram

450 calories of fat contain = 1/9 × 450 gram

450 calories of fat contain = 50 gram

3 0
4 years ago
What is the percent of 195 is 113.1
Nady [450]
113.1 % of 195 is 220.545

195 x 1.131 = 220.545
5 0
4 years ago
Read 2 more answers
-11b+7=2b solve for b
Jlenok [28]

Answer:

7/13=b

Step-by-step explanation:

-11b+7=2b

7=13b add 11 b to both sides

b=7/13 divide by 13

Hope this helps plz hit the crown :D

6 0
3 years ago
Read 2 more answers
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