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navik [9.2K]
2 years ago
9

Tickets for a concert cost $10 each if you order them online, but you must pay a service charge of $8 per order. The tickets cos

t $12 each if you buy them at the door on the night of the concert. Write a system of equations to model the situation. (Identify your variables)
Mathematics
1 answer:
klasskru [66]2 years ago
5 0

Answer:

below

Step-by-step explanation:

x: ticket

y: total cost

y= 10x + 8

y= 12x

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A random sample of 11 fields of rye has a mean yield of 20.1 bushels per acre and standard deviation of 7.66 bushels per acre. D
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Answer:

17.1≤x≤23.1

Step-by-step explanation:

The formula for calculating the confidence interval is expressed as;

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x is the mean yield = 20.1

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s is the standard deviation = 7.66

n is the sample size =  11

Substitute

CI = 20.1 ± 1.282*7.66/√11

CI = 20.1 ± 1.282*7.66/3.3166

CI = 20.1 ± 1.282*2.3095

CI =  20.1 ±2.9609

CI = (20.1-2.9609, 20.1+2.9609)

CI = (17.139, 23.0609)

hence the required confidence interval to 1dp is 17.1≤x≤23.1

8 0
3 years ago
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MrRissso [65]
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Ten hours maybe?????
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