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grigory [225]
3 years ago
5

the resturant was trying out a new menu. they asked 25 people if they liked the changes 19 said yes. the resturant had 227 costu

mers that day. how many people liked the new menu
Mathematics
1 answer:
nikdorinn [45]3 years ago
8 0
Since 19 is 76% of 25, we can assume that 76% of the people in the restaurant like the new menu. 76% of 227 is roughly 173. So about 173 people liked the menu that day. Hope this helps :)
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Sergeeva-Olga [200]
Hello there,

Let me help you answer this question mathematically.

To calculate average of people per year that gained bachelor degree sum all data given per year and divide with the number of years data was recorded.

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r3t40
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4 years ago
assume that when adults with smartphones are randomly selected, 44% use them in meetings or classes. If 10 adult smartphones use
tensa zangetsu [6.8K]

Solution: The given random experiment follows Binomial distribution with n=10,p=0.44

Let X be the number of adults who use their smartphones in meetings or classes.

Therefore, we have to find:

P(X

We know the binomial model is:

P(X=x)=\binom{n}{x} p^{x} (1-p)^{n-x}

\therefore P(X

                       =\binom{10}{0}0.44^{0}(1-0.44)^{12-0}+\binom{10}{1}0.44^{1}(1-0.44)^{10-1}+\binom{10}{2}0.44^{2}(1-0.44)^{10-2}

                       =1 \times 1 \times 0.0030 + 10 \times 0.44 \times 0.0054 + 45 \times 0.1936 \times 0.009672

                       =0.0030+0.0238+0.0843

                       =0.1111

Therefore, the probability that fewer than 3 of them is 0.1111

7 0
4 years ago
Can someone help me pretty please?
Dahasolnce [82]

Answer:

nopee.it is your work try hard or  practice in your textbooks or notebooks.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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Karo-lina-s [1.5K]

Step-by-step explanation:

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x+4 / 2x^2 + 3x - 1

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0 -5x - 1

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0 19

Quotient = 2x - 5 + 19/x+4

Remainder = 19/x+4

4 0
4 years ago
Find the value of d.<br> 1/2d - 5 -1/4d = 10
Ksenya-84 [330]
D=60. multiply both sides of the equation by 4 since it’s a factor, giving you 2d-20-d=40. since there are like terms with d, collect them to get d-20=40 and move 20 to the right and change it’s sign. that will give you d=40+20, then calculate to get d=60. hope this helped! :)
6 0
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