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dezoksy [38]
2 years ago
13

A professor surveys his students about their opinions on how well he taught the course. He puts this survey on the last page of

his final exam. Which type of bias will most likely have the strongest effect on the survey results?
Mathematics
2 answers:
belka [17]2 years ago
8 0

Answer:

Step-by-step explanation:

Given that a professor surveys his students about their opinions on how well he taught the course. He puts this survey on the last page of his final exam.

The bias may be there due to the following reasons.

i) Students will answer in general and the feedback will not be sensitive

ii) Some students may be too lazy to fill up the survey.

iii) The answers should be simple and specific otherwise the feedback may not be reliable.

natima [27]2 years ago
6 0
Response/ NonResponse: Some students might be too tired to answer the question or in converse,  a student might feel that his or her grade might be reflected on the survey since it is not anonymous, he or she might sugarcoat the answer. (incorrect response bias)
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If you know that a < b, and both a and b are positive numbers, then what must be true about the relationship between the oppo
Ymorist [56]

Answer:

The number further left on a number line is the smaller number. For positive numbers, the number closest to zero is smaller. For negative numbers, the number closest to zero is larger. If a is less than b, and they are both positive, then a is closer to 0 than b. The opposite of a is also closer to zero than the opposite of b, so the opposite of a must be larger than the opposite of b.

Step-by-step explanation:

6 0
2 years ago
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Hiro has a stack of cards with one number from the set 1, 1, 2, 2, 3, 3, 3, 4 written on each card. What is the probability that
professor190 [17]

Answer:

Therefore, the probability is P=3/32.

Step-by-step explanation:

We know that Hiro has a stack of cards with one number from the set 1, 1, 2, 2, 3, 3, 3, 4 written on each card.  

We calculate the probability that he pulls out a 3 first and then pulls out a 2 without replacing them.

The probability that he pulls out a 3 first is 3/8.

The probability of a second card being 2 is 2/8.

We get:

P=\frac{3}{8}\cdot \frac{2}{8}\\\\P=\frac{6}{64}\\\\P=\frac{3}{32}

Therefore, the probability is P=3/32.

7 0
2 years ago
What is the product of a+3 and −2a2+15a+6b2?
rewona [7]

For this case we must find the product of the following expression:

(a + 3) (- 2a ^ 2 + 15a + 6b ^ 2)

We apply distributive property term to term:

(a + 3) (- 2a ^ 2 + 15a + 6b ^ 2) =\\-2a ^ 2 * a + 15a * a + 6b ^ 2 * a-6a ^ 2 + 45a + 18b ^ 2 =\\-2a ^ 3 + 15a ^ 2 + 6ab ^ 2-6a ^ 2 + 45a + 18b ^ 2=

We add similar terms:

-2a ^ 3 + (15-6) a ^ 2 + 6ab ^ 2 + 45a + 18b ^ 2 =\\-2a ^ 3 + 9a ^ 2 + 6ab ^ 2 + 45a + 18b ^ 2 =

Finally, the expression is as:

-2a ^ 3 + 9a ^ 2 + 6ab ^ 2 + 45a + 18b ^ 2

Answeer:

-2a ^ 3 + 9a ^ 2 + 6ab ^ 2 + 45a + 18b ^ 2

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2 years ago
PLSSS HELP PLS I WILL GIVE BRAINLIEST TO CORRECT PERSON!! 13 POINTS. Camille dilates a digital photograph by a factor of 1.25 to
siniylev [52]

Answer:

the first one is A, the second one is D.

Step-by-step explanation:

For the perimeter you have to multiply by the original dilation number, and for the area, you have to dilate by 2.5




Hope this helps :D

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2 years ago
Given: line AB is congruent to line CD and line AD is congruent to line BC. Prove: angle D is congruent to angle B
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AD = BC ----> Parallel lines
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