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marusya05 [52]
3 years ago
11

A school district is conducting a survey regarding the effectiveness of its teachers. A random sample of 100 students from the d

istrict
are chosen to complete the survey.
Identify the population
A. The population is all teachers employed by the school district.
B. The population is all students enrolled in the school district.
C. The population is the administration
D. The population is all teachers employed by the school district and all students enrolled in the district.
E. The population is the 100 randomly selected students.
Mathematics
2 answers:
vitfil [10]3 years ago
7 0

Answer:

the population is all students enrolled in the school district

Step-by-step explanation:

Alex_Xolod [135]3 years ago
6 0

Answer:

Step-by-step explanation:

the population is all students enrolled in the school district

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Consider the following exponential probability density function. f(x) = 1 5 e−x/5 for x ≥ 0 (a) Write the formula for P(x ≤ x0).
Anna71 [15]

Question:

Consider the following exponential probability density function.

f(x) = 1/5e^(−x/5) for x ≥ 0

(a) Write the formula for P(x ≤ x0). (b) Find P(x ≤ 4). (Round your answer to four decimal places.) (c) Find P(x ≥ 5). (Round your answer to four decimal places.) (d) Find P(x ≤ 6). (Round your answer to four decimal places.) (e) Find P(4 ≤ x ≤ 6). (Round your answer to four decimal places.)

Answer:

(a) P(x ≤ x0) = 1 - e^(−x0/5)

(b) P(x ≤ 4) = 0.5506

(c) P(x ≥ 5) = 0.3678

(d) P(x ≤ 6) = 0.6988

(e) P(4 ≤ x ≤ 6) = 0.1482

Step-by-step explanation:

The standard form of the exponential probability density function is given by

f(x) = 1/μe^(−x/μ)

Where μ is the mean, for the given problem μ = 5

(a) Write the formula for P(x ≤ x0)

P(x ≤ x0) = 1 - e^(−x0/5)

(b) Find P(x ≤ 4)

P(x ≤ 4) = 1 - e^(−4/5)

P(x ≤ 4) = 1 - 0.4493

P(x ≤ 4) = 0.5506

(c) Find P(x ≥ 5)

P(x ≥ 5) = e^(−5/5)

P(x ≥ 5) = 0.3678

(d) Find P(x ≤ 6)

P(x ≤ 6) = 1 - e^(−6/5)

P(x ≤ 6) = 1 - 0.3011

P(x ≤ 6) = 0.6988

(e) Find P(4 ≤ x ≤ 6)

P(4 ≤ x ≤ 6) = e^(−4/5) - e^(−6/5)

P(4 ≤ x ≤ 6) = 0.4493 - 0.3011

P(4 ≤ x ≤ 6) = 0.1482

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3 years ago
Allen finds the area of the woods to be approximately 9,680
matrenka [14]

is it c

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6 0
3 years ago
Please help a girl out I'm so confused rn
mars1129 [50]

Answer:

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Step-by-step explanation:

since 1 lb = 0.45 kg all you do is 90 ÷ 0.45

that'll get you 200

200 kg is how much Dane Danny weighs

7 0
3 years ago
I do not understand this
iragen [17]

Answer:

D. 2 (1/3) hours

Step-by-step explanation:

'Of' means multiplication, so we are going to multiply

3 (1/2) x (2/3) = 2 (1/3)

or

3.5 x 0.66 = 2.333

I hope this helps!

4 0
2 years ago
Convert 6432 Decimal to Binary Number system ? <br><br>• Kindly don't spam !! ​
anygoal [31]

Answer:

6432)10 = (1100100100000)2

Step-by-step explanation:

Step 1: Divide (6432)10 successively by 2 until the quotient is 0:

6432/2 = 3216, remainder is 0

3216/2 = 1608, remainder is 0

1608/2 = 804, remainder is 0

804/2 = 402, remainder is 0

402/2 = 201, remainder is 0

201/2 = 100, remainder is 1

100/2 = 50, remainder is 0

50/2 = 25, remainder is 0

25/2 = 12, remainder is 1

12/2 = 6, remainder is 0

6/2 = 3, remainder is 0

3/2 = 1, remainder is 1

1/2 = 0, remainder is 1

Step 2: Read from the bottom (MSB) to top (LSB) as 1100100100000. This is the binary equivalent of decimal number 6432 (Answer).

Hopes that it will help u...☺

8 0
2 years ago
Read 2 more answers
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