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2 years ago

If m = 100 what is the value of q?

Mathematics

2 answers:

BlackZzzverrR [31]2 years ago

8 0

Answer:

The Answer is gonna be C. 21,344

Ganezh [65]2 years ago

7 0

Answer:

B) 2134.4

hope it helps.....

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The life in hours of a 75-watt light bulb is known to be normally distributed with standard deviation σ = 25 hours. A random sam

irina [24]

Answer: a) (1008.34,1019.658) b) (1009.24,1018.76)

Step-by-step explanation:

Since we have given that

n = 75

mean = 1014 hours

Standard deviation = 25 hours

At 95% two sided , z = 1.96

So, confidence interval would be

$\bar{x}\pm z\dfrac{\sigma}{\sqrt{n}}\\\\=1014\pm 1.96\dfrac{25}{\sqrt{75}}\\\\=1014\pm 5.658\\\\=(1014-5.658,1014+5.658)\\\\=(1008.34,1019.658)$

(b) Construct a 95% lower confidence bound on the mean life.

z = 1.65

So, confidence interval would be

$\bar{x}\pm z\times \dfrac{\sigma}{\sqrt{n}}\\\\=1014\pm 1.65\times \dfrac{25}{\sqrt{75}}\\\\=1014\pm 4.76\\\\=(1014-4.76,1014+4.76)\\\\=(1009.24,1018.76)$

Hence, a) (1008.34,1019.658) b) (1009.24,1018.76)

4 0

3 years ago

What is $45.27 plus 16%?

Ghella [55]

Answer:

$52.51

Step-by-step explanation:

16% of 45.27 is 7.24

45.27 + 7.24 is $52.51

Hope this helps!

Stay safe!!

8 0

3 years ago

Read 2 more answers

Last year, of business owners gave a holiday gift to their employees. A survey of business owners conducted this year indicates

IRINA_888 [86]

It would be 4 business owners will gift their employees

4 0

2 years ago

convert 15/9 to a decimal round your answer to the nearest hundred.convert 15/9 to a decimal round your answer to the nearest hu

motikmotik

Answer:

1.67

Step-by-step explanation:

after the decimal we have the

tens

hundreths

thousanths

(usually math doesn't ask you to go farther than the thousanths place)

because 15/9 is 1.66666, you will go to the hundreths place and round that six. Six is one more than five so it gets rounded up. That changes the decimal to 1.67. You do not change it to 1.7, because it asked you to round to the nearest hundred not the nearest tens

6 0

3 years ago

Read 2 more answers

Plzzzzzzzzzzz answerrrrrrrrrrrrrrrr i need it asap

saul85 [17]

Answer: 120

1.2

If Maxine is correct, then she spent

1.2

times the hours she did homework than last week.

⋅

1.2

18.0

15 hours

⋅

1.2

18.0 hours

18 hours

This means that Maxine is correct.

HOPE THIS HELPS

6 0

2 years ago