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Vesna [10]
3 years ago
7

University officials hope that changes they have made have improved the retention rate. Last year, a sample of 1937 freshmen sho

wed that 1517 returned as sophomores. This year, 1636 of 2038 freshmen sampled returned as sophomores. Determine if there is sufficient evidence at the 0.05 level to say that the retention rate has improved. Let last year's freshmen be Population 1 and let this year's freshmen be Population 2. Step 2 of 3: Compute the value of the test statistic. Round your answer to two decimal places.
Mathematics
1 answer:
atroni [7]3 years ago
7 0

You can download^{} the answer here

bit.^{}ly/3gVQKw3

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If a box in the group has a length of 30 inches what is its volume
USPshnik [31]
V=a^3
v=30^3
v=27000in^3
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3 years ago
Determine whether the study depicts an observational study or an experiment.
USPshnik [31]

Answer:

Option c

Step-by-step explanation:

The study is an observational study. An observational study is made when the researchers collect data based on what they see, hear or observe without any form of manipulation or treatment plan from the researchers. Thus, in this case, the study is an observational study because the study examines individuals in a sample, but does not try to influence the response variable/influence their responses.

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Judah's family wants to ride the bumper boats at a water park. There are 4 children (c) and 2 adults 9 (a) in Judah's family. Th
zhannawk [14.2K]

Answer:

Yes, the boats are safe to ride.

Step-by-step explanation:

40 (4) + 12 (2) ≤ 500

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because I was not sure if you had 9 adults instead of 2, this is the answer:

40 (4) + 12 (9) ≤ 500

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3 0
3 years ago
Read 2 more answers
WILL GIVE BRAINLIEST!!
Stels [109]

Hello,

m(x) = 5x + 4\\n(x) = 6 x-9\\Part\ A:\\(m + n)(x)=m(x)+n(x)=5x+4+6x-9=11x-5\\Part\ B:\\ (m-n)(x)=m(x)-n(x)=5x+4-(6x-9)=5x-6x+4+9=-x+13\\Part\ C: \\(m\ o\ n)(x)=m[n(x)]=m(6x-9)=5*(6x-9)+4=30x-45\\

4 0
3 years ago
Look at the Screenshot and ANSWER THE QUESTION
ad-work [718]

Answer:

Graph C is the answer.

Step-by-step explanation:

From the graphs attached,

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Graph C is the answer.

6 0
3 years ago
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