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Ber [7]
3 years ago
6

a poll was conducted by a marketing department of a video game company to determine the popularity of a new game that was target

ed to be launched in three months. telephone interview with 1,500 young adults were conducted which reveled that 49% said they would purchase the new game. the margin of error was+-3 percentage points. True or False: Referring to the above scenerio, the sampling error is 3%
Mathematics
1 answer:
wolverine [178]3 years ago
7 0

Answer:

False

Step-by-step explanation:

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Help I luv u if u help me!!!!
Pavlova-9 [17]
Perimeter is sum of all the sides.
SO, perimeter of that triangle will be
1/4 + 1/4 + 3/8.
The LCM of denominators (4,4,8) = 8.

Hence writing 1/4 = 2/8.

so,
Perimeter = 2/8+2/8+3/8 = (2+2+3)/8 = 7/8.

So, 7/8 ft is the perimeter of that triangle. :)
3 0
3 years ago
Read 2 more answers
13. Write an equation for the given function given the amplitude, period, phase shift, and vertical shift.
aev [14]

Answer:

y=4sin(\frac{\pi}{2} x+\pi)-2

Step-by-step explanation:

The equation of a periodic  function is in the form:

y = Asin(Bx + C) + D

Where A = amplitude, B = 2π / period, D = vertical shift, phase shift = -C / B.

Given that:

amplitude: 4, period 4 phase shift = vertical shift = -2

Hence:

A = amplitude = 4, B = 2π / period = 2π / 4 = π / 2, D = vertical shift = -2.

Phase shift = -C / B

C = -phase shift * B = - * -2 * π / 2 = π.

Therefore substituting gives:

y=4sin(\frac{\pi}{2} x+\pi)-2

8 0
3 years ago
Jonathon worked at McDonald's 20 hours per week and earned $195.Use the equation 20h=195 to find Komathons hourly wage.
Virty [35]
195 divided by 20 = $9.75
 Mark brainliest please and thank you :)
5 0
3 years ago
Read 2 more answers
ITS Urgent.<br><br>jjdjwjehvd​
kramer
D, it is term number 4....
8 0
3 years ago
The height of Atlas V rocket used for space lifts was 205 feet. What is the height of a model of Atlas V rocket if the scale fac
KengaRu [80]

Answer: 6.4 feet

Step-by-step explanation:

Height of Atlas V rocket = 205 feet

Ratio of the model = 1:32 = 1/32

Model / Real = 1/32

Since Real height = 205, we put it into the equation and this will be:

Model / Real = 1/32

Model / 205 = 1/32

Model × 32 = 205 × 1

Model = 205/32

Model = 6.4 feet

The height of the model is 6.4 feet.

7 0
2 years ago
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