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Usimov [2.4K]
2 years ago
8

Emanuel surveyed a random sample of 505050 subscribers to Auto Wheel magazine about the number of cars that they own. Of the sub

scribers surveyed, 151515 own fewer than 222 vehicles. There are 340340340 subscribers to Auto Wheel magazine. Based on the data, what is the most reasonable estimate for the number of Auto Wheel magazine subscribers who own fewer than 222 vehicles?
Mathematics
1 answer:
Anna [14]2 years ago
4 0

Answer:

The most reasonable estimate for the number of Auto Wheel magazine subscribers who own fewer than 2 is 102

Step-by-step explanation:

We can build an estimate from a sample, and this estimate will be the best estimate for the proportion of the population.

Sample:

50 subscribers

15 own fewer than 2 vehicles

Proportion:

15/50 = 0.3 = 30% own fewer than 2 vehicles.

Based on the data, what is the most reasonable estimate for the number of Auto Wheel magazine subscribers who own fewer than 2 vehicles?

340 subscribers

The most reasonable estimate for this number is 0.3*340.

0.3*340 = 102

The most reasonable estimate for the number of Auto Wheel magazine subscribers who own fewer than 2 is 102

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A Petri dish is growing bacteria. It starts with 3 cells on day 1, 9 cells on day 2, and continues tripling the number of cells
n200080 [17]

Answer:

243

Step-by-step explanation:

Given that:

Day 1 = 3

Day 2 = 9

After the 2nd day, number of cells continue to triple ;

Day 3 = 9^3

P(t) = 9 * 3^3

P(t) = 9 * 27

= 243

3 0
2 years ago
Jeff and his family are driving to visit his grandmother they have driven about 30 miles which is about 2/3 of the way how much
Scilla [17]

Answer:  15 miles

<u>Step-by-step explanation:</u>

2/3 of the way is 30 miles

Let x represent the total distance to grandmother's house, then

\quad \dfrac{2}{3}x=30\\\\\rightarrow 2x=90\\\\\rightarrow x = 45


Since the total distance is 45 and they have already driven 30 miles, there is 15 miles to go

3 0
2 years ago
Two families went to Rollercoaster World. The Brown family paid 170 for 3 children and 2 adults. The Peckham family paid 360 for
cestrela7 [59]

Answer: the system of equations are

3x + 2y = 170

4x + 6y = 360

Step-by-step explanation:

Let x represent the price of a child's ticket in dollars.

Let y represent the price of an adult's ticket in dollars.

The Brown family paid 170 for 3 children and 2 adults. This would be expressed as

3x + 2y = 170

The Peckham family paid 360 for 4 children and 6 adults. This would be expressed as

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3 0
2 years ago
What is the mode of the following numbers?<br> 67, 76, 67, 76, 67, 23, 32, 23, 32<br> 0
AleksAgata [21]

Answer:

67

Step-by-step explanation:

67, 76, 67, 76, 67, 23, 32, 23, 32 ,0

Put the numbers in order from smallest to largest

0,23,  23, 32,32, 67, 67, 67, 76, 76,

The mode is the number that appears most often

67 appears 3 times so it is the mode

5 0
2 years ago
489 to the nearest ten​
sammy [17]
8 is in the tenth position.

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Your answer is 490
4 0
2 years ago
Read 2 more answers
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