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inna [77]
2 years ago
10

A random sample of 50 cars in the drive-thru of a popular restaurant Amrik-Sukhdev revealed an average bill of Rs 600 per car. T

he population standard deviation is 150. Estimate the mean bill for all cars from the drive-thru with 98% confidence.​
Mathematics
1 answer:
Basile [38]2 years ago
4 0
I think it has to be 45.
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Answer:

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Equation of slope intercept form

y = (slope × x) + y intercept

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there are 70 students in the school band. 40% of them are sixth graders, 20 % are seventh graders, and the rest are eight grader
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28 are 6th

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1/2

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7 0
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Answer the 3 questions above (in the picture) please!!!
Karo-lina-s [1.5K]

Answer:

1. X = 17/A  --- answer is (A)

2.  (6, 0.7) (10, 1.9)

3. $10.99D + $9.99  ≤ $100

Step-by-step explanation:

1. AX + 4AX = 51 + 2AX

 5AX = 51 + 2AX .... -2AX both side

3AX = 51   .. divide 3A

X = 17/A  --- answer is (A)

2. 10y = 3x -11

   (2, 0.5):       3*2 -11 = - 5     10y = 10*0.5 = 5    ..... not correct

    (4, 1)            3*4 - 11 = 1       10y = 10*1 = 10 ....... not correct

   (6, 0.7)        3*6 - 11 = 7       10y = 10*0.7 = 7  .....Correct

   (8,2.3)          3*8 -11 = 13       10y = 10*2.3 =23   ..... not correct

   (10, 1.9)        3*10 -11 = 19       10y = 10*1.9 = 19   .... correct

3.  1D cost $10.99

    D piece cost: $10.99D

     Shipping: $9.99

    No more than $100: ≤ 100

D piece DVD + Shipping withtotal no more than $100:

$10.99D + $9.99  ≤ $100

 

5 0
3 years ago
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