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Alexandra [31]
3 years ago
11

Look at the bar graph. What is the most accurate conclusion someone can draw from this graph? Men who have completed some colleg

e are more likely than women who have completed high school to use nontraditional voting methods. Women who have attained higher education are more likely than men who have completed high school to use nontraditional voting methods. Younger voters are more likely to use nontraditional voting methods than older voters. Older voters are more likely to use nontraditional voting methods than younger voters.
SAT
2 answers:
lidiya [134]3 years ago
7 0

Answer:

c

Explanation:

Orlov [11]3 years ago
4 0

Answer: C

Explanation: I took the test

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The quality-control manager at a compact fluorescent light bulb factory need to determine whether the mean life of a large shipm
svet-max [94.6K]

Complete Question:

The mean life of a large shipment of CFLs is equal to 7,500 hours. The population standard deviation is 1,000 hours. A random sample of 64 CFLs indicate a sample life of 7,250  hours.

1. State the Null and Alternative Hypothesis.

2. At the 0.05 level of significance, is there evidence that mean life is different from 7,500 hours.

3. Construct a 95% confidence interval estimate of the population mean life of the CFLs.

4. Compute the p-value and interpret its meaning.

Answer:

-2, (7005, 7450), 0.045

Explanation:

1).

H₀: mean of life shipment is 7500 hours

the hypothesis are outlined as follows

H₀: \mu = 7500

H₁: \mu \neq 7500

where, n = 64, x = 7250, \sigma =1000 hours

Test statistics:

Z = \frac{7250-7500}{\frac{1000}{\sqrt{64}} } \\\\Z = -2

Our conclusion from the above result is that there is sufficient evidence to say that the mean life is different from 7500 hours

2). 95% confidence Interval for the population mean \mu is

[7250-1.96\times \frac{1000}{\sqrt{64}},7250+1.96\times \frac{1000}{\sqrt{64}} ]\\\\(7005,7495)

3).

the p-value is given by

p-value =2P(Z\leq -|z|)\\\\p-value =2P(Z\leq -|2|)\\\\p-value = 0.0455

8 0
3 years ago
Can anyone solve this for me
ladessa [460]
(x+y)^2=56
x^2+2xy+y^2=56. we know that xy=12
so 2(xy)=24
x^2+24+y^2=56
x^2+y^2=56-24
x^2+y^2=32. <-------------
6 0
3 years ago
Read 2 more answers
Based on the passage, what inference can be made about why president eisenhower supported the civil rights act of 1957? he wante
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Answer:

A. he wanted to protect the rights of minority voters.

Explanation:

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2 years ago
a mass of gas under constant pressure occupies a volume of 0.5 m3 at a temperature of 20 degrees Celsius using the formula for c
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The correct answer is 0.5457875.
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3 years ago
Roman rulers who had absolute power assumed the title of __________. a. consul b. dictator c. senator d. censor please select th
netineya [11]

Answer:

B. Dictator

Explanation:

Absolute Power = Dictator
Hope it helped !  

5 0
2 years ago
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