Each shape is 1 whole. Write a fraction for the parts that are shaded

Mathematics

1 answer:

Sav [38]3 years ago

8 0

Answer:

Ex). 4/5; 6/10; 7/8

Step-by-step explanation:

What you need to do is count how many parts there are in total and then count how many are shaded. The amount that is shaded becomes your numerator and the all the parts are your denominator.

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The owner of a restaurant is reviewing customer complaints. In a random sample of 227 complaints, 57 complaints were about the s

iragen [17]

Answer:

$0.1375$ to $0.3624$

Step-by-step explanation:

Given :The owner of a restaurant is reviewing customer complaints. In a random sample of 227 complaints, 57 complaints were about the slow speed of the service.

To Find :Create a 95% confidence interval for the proportion of complaints that were about the slow speed of the service.

Solution:

n = 227

x = 57

Formula of confidence for proportion: $\widecap{p}-z_{\frac{\alpha}{2}}\sqrt{\frac{\widecap{p}\widecap{q}}{n}}$ to $\widecap{p}+z_{\frac{\alpha}{2}}\sqrt{\frac{\widecap{p}\widecap{q}}{n}}$