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Sliva [168]
2 years ago
9

Suppose we take a survey and use the sample proportion to calculate a confidence interval. Which level of confidence gives the c

onfidence interval with the largest margin of error
Mathematics
1 answer:
Alexxandr [17]2 years ago
4 0

Answer:

See below

Step-by-step explanation:

I do not see any options, but it is important to note that the bigger the level of confidence, the larger the margin of error will be.

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8. It took Sharon 85 minutes to wash three cars. She spent x minutes on each car and 10 minutes
Yuliya22 [10]

Answer:

c. 25 minutes

Step-by-step explanation:

3x + 10 = 85

3x = 85 - 10

3x = 75

x = 25

8 0
3 years ago
(4-3n) 8 simplify the expression
PSYCHO15rus [73]

Answer:32-24n

Step-by-step explanation:

Take 8 and 4 and multiply it and you get 32. Take 8 and 3 multiply or add 8 three times and you get 24 and also add the n so it’s 24n since the n goes no where, and you can’t really subtract a number with a letter with a number or a number with a different letter, you can only subtract or add it if it has the same letter on the number. Hope that helps.

5 0
3 years ago
Alina drew a model of a square pyramid. The dimensions of the model are shown in the diagram. pls don't answer with links
Romashka [77]

Answer:

C

Step-by-step explanation:

Volume of a pyramid = 1/3 base area * height

                                   = 1/3 (8 * 10)(12)

6 0
2 years ago
A student made an error when solving this problem. A number divided by 4 is 3 more than –11. What is the number?
fiasKO [112]
C is the right anskwe
4 0
3 years ago
if a right circular cone has a volume of 15 cubic ft and a radius of 3 ft, what is the height of the cone?
Setler79 [48]
Volume of cone=1/3 times height times pir^2
v=15
r=3
15=1/3 hpi3^2
15=1/3hpi9
15=9/3hpi
15=3hpi
divide 3
5=hpi
h=5/pi
pi=aprox 3.14
5/3.14=1.59

1.59 ft
4 0
3 years ago
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