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Klio2033 [76]
2 years ago
11

Find the value of f(6)

Mathematics
2 answers:
Grace [21]2 years ago
3 0
Can you add a picture please?
nikklg [1K]2 years ago
3 0
Can you add a picture?
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An investigator wants to estimate caffeine consumption in high school students. how many students would be required to estimate
astraxan [27]

We can solve this problem by referring to the standard probability distribution tables for z.

We are required to find for the number of samples given the proportion (P = 5% = 0.05) and confidence level of 95%. This would give a value of z equivalent to:

z = 1.96

Since the problem states that it should be within the true proportion then p = 0.5

Now we can find for the sample size using the formula:

n = (z^2) p q /E^2

where,

<span> p = 0.5</span>

q = 1 – p = 0.5

E = estimate of 5% = 0.05

Substituting:

n = (1.96^2) 0.5 * 0.5 / 0.05^2

n = 384.16

<span>Around 385students are required.</span>

6 0
2 years ago
Can i have help on this q plz
Alexandra [31]

Answer:

14.8

Step-by-step explanation:

7.4 * 2 = 14.8.

hope this helps

8 0
2 years ago
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Write an equation in point-slope form for the line that passes through
Charra [1.4K]

Answer:

Point-slope form:

y-5= -1/3 times (x+9)

This is only for the first part

6 0
2 years ago
Please help me. Very important please show work
Contact [7]
Your gonna do (LxWxH)
3 0
2 years ago
Use the table to answer the question.
Over [174]

Answer:

in the survey, 16 out of 80 students who where asked favored chicken nuggets.

so we need to calculate like this:

530 * 16/80

=530 * 1/5

=530/5

=106

hope this helps your understanding, wish you good grades

3 0
3 years ago
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