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Nady [450]
4 years ago
5

Can someone explain me how do i do (ii)?

Mathematics
1 answer:
Varvara68 [4.7K]4 years ago
6 0

Answer:

(only ii right?)

Since we have the total number is 360° and our section is 72°, we know that the percentage of students who choose the cinema should be the number that we have divided to the total amount and then multiply the result by 100 ( it's fine if you write 100%, but when you actually calculate it, it's only 100, not 100%):

(72/360) . 100 = 20%

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Can someone help me with question 16 please?
Step2247 [10]
Let 's' be the allowed speed.

If the maximum speed is 70 and the minimum is 40, we know 's' is between these two values inclusively, i.e. 40 ≤ s ≤ 70

*Remember for inequality symbols, whether strict or inclusive, the term on narrow side is "less than" the term on the broad side
5 0
4 years ago
A certain chromosome defect occurs in only 1 in 200 adult Caucasian males. A random sample of 100 adult Caucasian males will be
svlad2 [7]

Answer:

0.005 `; 0.00499 ;

No, because np < 10 ;

2000

Step-by-step explanation:

Given that:

Number of samples , n = 100

Proportion, p = x / n

p = 1 / 200

= 0.005

p = μ

Standard deviation of sample proportion :

σp = sqrt((p(1 - p)) / n)

σp = sqrt((0.005(1 - 0.005)) / 200)

σp = sqrt((0.005(0.995)) / 200)

σp = sqrt(0.004975 / 200)

σp = sqrt(0.000024875)

σp = 0.0049874

σp = 0.00499

np = 100 * 0.005 = 0.5

n(1 - p) = 100(1-0.05) = 95

Smallest value of n for which sampling distribution is approximately normal

np ≥ 10

0.005n ≥ 10

To obtain the smallest value of n,

0.005n = 10

n = 10 / 0.005

n = 2000

7 0
3 years ago
Help ASAP
RoseWind [281]

Answer:

List from least to greatest:-16,-10,-3,5

List from closest to zero to the very far:-3,5,-10,16

Step-by-step explanation:

In order to know if the answer is accurate,draw a number line of directed numbers...the very far negative numbers,are said to be the least than the numbers almost close to zero...

7 0
4 years ago
Read 2 more answers
In need of help with math question
qaws [65]

Answer:

well whats the question?

Step-by-step explanation:

4 0
3 years ago
I'll give brainliest if someone helps me.
expeople1 [14]
Slide 14: you have to measure it

Slide 11: No they do not form a proportion because they are not related. You can do 20 push ups per minute, while your friend can do 19.

Slide 15: 4. Actual is 15 5. Actual is 35 6. Model is 4 7. Model is 2.5

Slide 13: 1. Proportional 2. Proportional 3. Not proportional 4. Proportional

Slide 12: m=77 a=10 g=16 w=160

Hope I’m not too late!
3 0
3 years ago
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