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Whitepunk [10]
3 years ago
7

Using traditional methods, it takes 10.8 hours to receive a basic flying license. A new license training method using Computer A

ided Instruction (CAI) has been proposed. A researcher used the technique with 11 students and observed that they had a mean of 11.2 hours with a standard deviation of 1.7. A level of significance of 0.1 will be used to determine if the technique performs differently than the traditional method. Assume the population distribution is approximately normal. Find the value of the test statistic.
Mathematics
1 answer:
sesenic [268]3 years ago
4 0

Answer:

Hence the value of the test statistic is 0.780.

Step-by-step explanation:

Given:

Test Statistic:-

t=\frac{\bar{X}-\mu }{\frac{S}{\sqrt{n}}}

t=\frac{11.2-10.8 }{\frac{1.7}{\sqrt{11}}}

t=\frac{0.4}{0.5126}\\t=0.780

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Ms. Lui earned an annual income of 775,000, what is the weekly salary?
jok3333 [9.3K]

Answer:

$14,903.85

Step-by-step explanation:

So, Ms. Lui earns $775,000 each year. To find the weekly salary, we have to divide the annual income by the amount of weeks in a year. There are about 52 weeks in one year. Let's find the weekly salary:

\frac{775000}{52} = 14,903.85

Therefore, Ms. Lui earns $14,903.85 a week.

Hope this helps! If you have questions about my work, please leave them in the comments!

4 0
2 years ago
Item 4
kogti [31]

Answer:

he is an ordinary man because that is what the speaker is talking about

5 0
3 years ago
Read 2 more answers
A population of 1,000 squirrels lives on a rectangle-shaped farm plot that is 25 feet long by 10 feet wide what is the populatio
Lemur [1.5K]
First, find the area of the plot:
25*10=250

1000/250 is 4

the population density is 4 squirrels per square foot.
5 0
3 years ago
Can someone please help me am failing
vichka [17]
All together it equals (of the number of hours he does in a week)
45 because 6 plus 9 is 15 and 15 multipled by 3 is 45 makes sense becuase .. 6 +3 is 9 and 9 +9 is 18 2 weeks equals 14 days 18 subtracted by 14 equals 2 which 45 subtracted by 2 is 43 and that's the esact number of hours he works 43 in a week.
7 0
3 years ago
Please help with solving
Makovka662 [10]
N.O = 4
N is midpoint of M.0
Meaning M.N also has to be 4
4+4= 8
N.P = 6
0.P = 2
8+ 2 = 10

4 0
2 years ago
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