There are ___ nuts are in the smallest possible container.
1 answer:
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The largest sum of three numbers that meet at a corner is 15
<h3>How to determine the largest sum?</h3>The number cube that completes the question is added as an attachment
The largest number in the number cube is 6.
On the number cube, the next largest numbers share the same corner with the number 6
So, the largest set of numbers on the cube are 6, 5, 4
Add the numbers:
Sum = 6 + 5 + 4
Evaluate
Sum = 15
Hence, the largest sum of three numbers that meet at a corner is 15
Read more about number cubes at:
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Answer:
90% confidence interval for the mean time per week spent listening to the radio is .
Step-by-step explanation:
We are given that a recent survey of 51 students reported that the average amount of time they spent listening to music was 11.5 hours per week, with a sample standard deviation of 9.2 hours.
Firstly, the pivotal quantity for 90% confidence interval for the population mean is given by;
P.Q. = ~
where, = sample average amount of time spent listening to music = 11.5
s = sample standard deviation = 9.2 hours
n = sample of students = 51
= population mean per week spent listening to the radio
<em>Here for constructing 90% confidence interval we have used One-sample t test statistics as we know don't about population standard deviation.</em>
<em />
So, 90% confidence interval for the population mean, is ;
P(-1.676 < < 1.676) = 0.90 {As the critical value of t at 50 degree of
freedom are -1.676 & 1.676 with P = 5%}
P(-1.676 < < 1.676) = 0.90
P( <
<
) = 0.90
P( <
<
) = 0.90
<u><em>90% confidence interval for</em></u> = [
,
]
= [ ,
]
= [9.34 hours , 13.66 hours]
Therefore, 90% confidence interval for the mean time per week spent listening to the radio is [9.34 hours , 13.66 hours].