Put these in order of size 0.8, 30%, 3/5
1 answer:
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Answer:
The margin of error for a 90% confidence interval is 0.075.
Step-by-step explanation:
We are given that he asks listeners to phone in and vote "yes" if they agree the drinking age should be lowered and "no" if not.
Of the 100 people who phoned in, 70 answered "yes."
Let = sample proportion of people who say yes
So, =
= 0.70
where, X = Number of people who say yes = 70
n = Number of people phoned in = 100
<u>Now, Margin of error formula for any confidence interval is given by;</u>
Margin of error =
where, = level of significance = 10%
Standard of error =
Also, the critical value of x at 5% () level of significance is 1.645.
SO,<em><u> Margin of Error</u></em> =
=
= 0.075
Hence, the margin of error for a 90% confidence interval is 0.075.
Answer:
Options (2), (3), (5) and (6)
Step-by-step explanation:
Let the number of bicycles = x
and the number of treadmills = y
Since, number of new bicycles must be more than times of new treadmills,
Inequality representing the statement will be,
x > y
Each bicycle costs $340 and each treadmill costs $670.He must spend less than $5650,
Inequality will be,
340x + 670y < 5650
And the number of bicycles and treadmills should be greater than 0.
x > 0
y > 0
Therefore, constraints for this situation are,
Option (2)
Option (3)
Option (5)
Option (6)
Answer: 3/2
Step-by-step explanation:
We can start by converting 3 1/3 to an improper fraction. Since 3 is equal to 9/3, 3 1/3 would be equal to 9/3 + 1/3 = 10/3.
Therefore, we are doing .
Dividing 5 by 10/3 is the same as multiplying 5 and the reciprocal of 10/3, which is 3/10.
5*3/10 = 15/10 = 3/2.