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Zanzabum
3 years ago
8

F

Mathematics
2 answers:
vovikov84 [41]3 years ago
6 0
I’ll be honest, I have no idea what you are trying to say.
Neko [114]3 years ago
5 0
Hhhjnqndqnan hfwmcwnnejvrj
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Think about a population proportion that you may be interested in and propose a confidence interval problem for this parameter.
o-na [289]

Answer: The confidence interval would be (0.2928,0.3672).

Step-by-step explanation:

Since we have given that

Total number of vehicles = 432

Number of SUVs sold = 142

So, it becomes,

\hat{p}=\dfrac{x}{n}=\dfrac{142}{432}=0.33

At 90% confidence interval,

z = 1.645

So, the confidence interval would be

\hat{p}\pm z\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}\\\\=0.33\pm 1.645\sqrt{\dfrac{0.33\times 0.67}{432}}\\\\=0.33\pm 0.0372\\\\=(0.33-0.0372,0.33+0.0372)\\\\=(0.2928,0.3672)

Hence, the confidence interval would be (0.2928,0.3672).

8 0
3 years ago
I need to know the answer
guapka [62]
If you find the least common multiple of both numbers, this will give you the information you will need to get your answer.  Each revolution would include all teeth going around. The list of multiples for 24 are 24, 48, 72, 96, 120.  The list for 40 are 40, 80, 120.  This means at 120, they would be in the same place again.  For the first gear to get to 120, it would take 5 rotations the fifth number in the list of multiples for 24).  I hope this helps!
8 0
3 years ago
Successful implementation of a new system is based on three independent modules. Module 1 works properly with probability 0.9, M
olga nikolaevna [1]

Answer:

The probability is 0.5086

Step-by-step explanation:

The probability P that at least one of these three modules will fail to work properly is calculated as:

P = 1 - P'

Where P' is the probability that all the modules works properly. So, P' os calculated as:

P' = 0.9 * 0.84 * 0.65

P' = 0.4914

Because 0.9 is the probability that module 1 works properly, 0.84 is the probability that module 2 works properly and 0.65 is the probability that module 3 works properly.

Finally, the probability P that at least one of these three modules will fail to work properly is:

P = 1 - 0.4914

P = 0.5086

8 0
4 years ago
Skye's Ice Cream Shoppe is Mario's favorite place to get ice cream. Unfortunately, because he was late arriving, his friends had
Sever21 [200]
25 I think. I’m nkt sure
5 0
3 years ago
Read 2 more answers
HELP ASAP
madreJ [45]

Answer:

D)If 3x-4=20, then 2x=16

Step-by-step explanation:

3 0
3 years ago
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