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Mathematics
10.05.2020 05:49
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A restaurant says the probability of a customer ordering chicken is 1/4. A survey

A restaurant says the probability of a customer ordering chicken is 1/4. A survey is conducted and 75 people said they prefer to order chicken. Predict how many total people were surveyed?
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anoynomouskali4222
anoynomouskali4222
5,0(90 marks)

300

Step-by-step explanation:

Let the total number of people surveyed be represented by x.

Since we are informed that the probability of a customer ordering chicken is 1/4 and 75 people said they prefer to order chicken. This will then be:

1/4 of x = 75

1/4 ร— x = 75

x = 75 ร— 4

= 300

Therefore, 300 people were surveyed

lovelysoul4698
lovelysoul4698
4,7(32 marks)

f(x) = 2x - 3 \\ \\ f( - \frac{1}{4} ) = 2( - \frac{1}{4} ) - 3 \\ \\ = - \frac{1}{2} - 3 \\ \\ = - \frac{1}{2} - \frac{6}{2} \\ \\ = \frac{ - 1 - 6}{2} \\ \\ = \frac{ - 7}{2} = - 3.5 = - 3 \frac{1}{2}

I hope I helped you^_^

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