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Lerok [7]
3 years ago
14

Researchers make a one-sample zzz interval to estimate the proportion of adults who would say they learned something new in the

past month. Previous studies have suggested that about 40\%40%40, percent would answer "yes" to this question. The researchers plan on using a confidence level of 95\%95%95, percent, and they want the margin of error to be no more than \pm 5\%±5%plus minus, 5, percent.
Mathematics
1 answer:
neonofarm [45]3 years ago
6 0

Answer:

369

Step-by-step explanation:

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How do I solve 4/5 of 500?
agasfer [191]

Answer:

400

Step-by-step explanation:

Divide 500 by 5 and multiply the quotitent by 4

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4 years ago
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A cosmetic company is planning the introduction of a new lipstick line. Its marketing research department has estimated that the
OLga [1]

Answer:

you are dumb

Step-by-step explanation:

8 0
4 years ago
What is the value of x in the equation 3.5x = 105
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Answer:

x=30

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- Todo ❤️

Step-by-step explanation:

105/3.5=30

4 0
3 years ago
Christina plotted the shape of her garden on graph paper. she estimates that she will get about 15 carrots from each square unit
LekaFEV [45]

the shape of christina’s garden is a rectangle and trapezoid. The rectangle has a dimensions of 4 units by 2 units. The trapezoid upper base is 8 units and the lower base is 4 units and the height is 2 units

Area of the garden = area rectangle + area trapezoid

A = (LW) + 0.5( base1 + base2)(h)

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A = 20 sq units

 

Number of carrots = 20 sq units x 15 carrots/ sq units

<span>= 300 carrots</span>

7 0
3 years ago
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Hobbs Mules charges $80 for a 2-hour mule ride and $144 for a 4-hour mule ride. The table down below shows how much McGee Mules
Nataliya [291]

Answer: If a group wants to take a 3 hour ride they should choose Hobbs Mules.

Step-by-step explanation:

First figure out how much a 3 hour ride at McGee Mules would cost. Do this by setting up a proportion, then solving it.

Numerator = Time       Denominator = Cost

\frac{1}{42} = \frac{3}{x}  42 x 3 = 126/1 = 126  So a 3 hour ride with Mcgee should cost $126.

Next figure out how much a 3 hour ride at Hobbs Mules would cost by doing the same thing.

\frac{2}{80} = \frac{3}{x}   80 x 3 = 240/2 = 120  So a 3 hour ride with Hobbs should cost $120.

In conclusion, The group should choose Hobbs because they price is $6 cheaper.

8 0
3 years ago
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