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lianna [129]
3 years ago
8

Answer two questions about Equations A and B:

Mathematics
2 answers:
GalinKa [24]3 years ago
5 0
The answer is B
Rewrite one (both sides) using the distribution property
kotegsom [21]3 years ago
4 0

Answer:

part 2 is A: yes

Step-by-step explanation:

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During second period, Janet completed a grammar worksheet.
Dmitry_Shevchenko [17]

Answer: 50%

Step-by-step explanation:

4 0
3 years ago
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A customer service phone line claims that the wait times before a call is answered by a service representative is less than 3.3
Vika [28.1K]

Answer:

(A) Yes, since the test statistic is in the rejection region defined by the critical value, reject the null. The claim is the alternative, so the claim is supported.

Step-by-step explanation:

Null hypothesis: The wait time before a call is answered by a service representative is 3.3 minutes.

Alternate hypothesis: The wait time before a call is answered by a service representative is less than 3.3 minutes.

Test statistic (t) = (sample mean - population mean) ÷ sd/√n

sample mean = 3.24 minutes

population mean = 3.3 minutes

sd = 0.4 minutes

n = 62

degree of freedom = n - 1 = 62 - 1 = 71

significance level = 0.08

t = (3.24 - 3.3) ÷ 0.4/√62 = -0.06 ÷ 005 = -1.2

The test is a one-tailed test. The critical value corresponding to 61 degrees of freedom and 0.08 significance level is 1.654

Conclusion:

Reject the null hypothesis because the test statistic -1.2 is in the rejection region of the critical value 1.654. The claim is contained in the alternative hypothesis, so it is supported.

5 0
3 years ago
What is 0.055 as a fraction in simplest form?
alina1380 [7]
11/200 would be the answer yeah i know fractions :D
3 0
3 years ago
A graph has time (hours) on the x-axis and total charge (dollars) on the y-axis. Points are at (0, 8), (2, 27), (4, 46), (6, 65)
Katyanochek1 [597]

Answer:

(0,8)

Step-by-step explanation:

3 0
3 years ago
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What is the answer for K/3 -2 =1what is the answer for k/3 -2 =1
Elan Coil [88]

Answer:

K = 9

Step-by-step explanation:

K/3 -2 =1

+2 +2.

K/3 = 3

*3 *3

K = 9

8 0
3 years ago
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