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iVinArrow [24]
3 years ago
11

Researchers studied the mean egg length (in millimeters) for a bird population. After taking a random sample of eggs, they obtai

ned a 95% confidence interval of (45,60). What is the value of the sample mean?
Choose the correct answer below.
A. 15.0 mm
B. 52.5 mm
C. 7.5 mm
D. Somewhere between 45mm and 60mm, but the exact value cannot be determined without more information.
Mathematics
1 answer:
Aneli [31]3 years ago
5 0

Answer:

I cannot understand this question

Step-by-step explanation:

I don't know what is in the question

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0.51 (1 repeating) as a fraction simplest form
Anon25 [30]
Answer: 23/45

step-by-step explanation:
write out your equation equal to x
x = 0.51 with a repeating 1
count the repeating decimal (1) and multiply each sides of the equation by 10^1
10x = 5.11 with a repeating 1
9x = 4.6 subtract the first equation from the second
solve for x
x = 4.6/9
eliminate the 1 decimals by multiplying the numerator and denominator by 10^1
4.6/9 • 10/10 = 46/90
find the greatest common factor
46/2 / 90/2 = 23/45
the fraction is already simplified at 23/45
i hope this helps :)
4 0
3 years ago
Your family needs a set of 4 tires.Which of the following deals would you prefer?Explain.
dolphi86 [110]
C because its a lot cheaper and it will e more beneficial
3 0
4 years ago
Read 2 more answers
How do I find the missing side length to the nearest tenth of a millimeter.
iogann1982 [59]

Answer:

11.5

Step-by-step explanation:

5 0
3 years ago
How many roots does this function have?<br><br> y = 8x4 - 5x3 + 2x2 - 8x + 7<br><br> no links please
Pachacha [2.7K]

Answer:

there is no root

Step-by-step explanation:

there is no root

7 0
3 years ago
Find the explicit formula for the geometric sequence <br> 2,6,18,54
xenn [34]

Answer:

the explicit formula for the geometric sequence  2,6,18,54 is a_{n}=a_{1}.r^{n-1}

2,6,18,54

Step-by-step explanation:

In the sequence given: 2,6,18,54

The common ration is 3 because

a₁ = 2

a₂= 2*3 =6

a₃ = (2*3)*3 = 2*3^2 = 18

a₄= (2*3*3)*3 =2*3^3 = 54

Here we see for a₂ 3 has power 1, for a₃ 3 has power 2 and so on.

So, the formula will be

a_{n}=a_{1}.r^{n-1}

Here aₙ is the no of term.

a₁ is the first term of the sequence

and r is the common ratio among the sequence.

8 0
4 years ago
Read 2 more answers
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