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Anastaziya [24]
3 years ago
8

How do I write 770,070 in expanded form

Mathematics
1 answer:
beks73 [17]3 years ago
8 0
7x100,000+7x10,000+7x10
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The weights of adult male birds of a certain species are normally distributed with a mean of 27.5 grams and a standard deviation
Korvikt [17]

Answer:

The z-score of a male bird of this species with a weight of 29.37 grams is 1.7.

Step-by-step explanation:

We are given that the weights of adult male birds of a certain species are normally distributed with a mean of 27.5 grams and a standard deviation of 1.1 grams.

<u><em>Let X = weights of adult male birds of a certain species</em></u>

So, X ~ Normal(\mu=27.5,\sigma^{2} =1.1^{2})

The z score probability distribution for normal distribution is given by;

                                 Z = \frac{ X-\mu}{\sigma } }  ~ N(0,1)

where, \mu = population mean weight = 27.5 grams

           \sigma = standard deviation = 1.1 grams

The Z-score measures how many standard deviations the measure is away from the mean. After finding the Z-score, we look at the z-score table and find the p-value (area) associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X.

SO, the z-score of a male bird of this species with a weight of 29.37 grams is given by;

          <u>Z score</u> =  \frac{ X-\mu}{\sigma } } = \frac{ 29.37-27.5}{1.1 } }

                                    =  <u>1.7</u>

                       

4 0
2 years ago
Charlotte completed 12 pages of her 18-page report. What percent has she completed thus far?
Mashutka [201]

Answer:

Charlotte has 23 of her book left to read. She can read 29 of it each day.

Step-by-step explanation:

5 0
3 years ago
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Find y if x=15 if y is 6 x=30
Len [333]
I'm not sure if this question was correctly transcribed but is it suppose to read find if x=15, find y = 6x+30 ?

If so then y = 120

The way it is written now, If x = 15 then 6x cannot equal 30 which is why I asked.  Sorry if I'm not understanding the question.



6 0
3 years ago
Can someone help me asap??
Zepler [3.9K]
You need help on what ?
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3 years ago
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Please help me, I need the answer in the next 5mins. AND NO LINKS!!!!!!!
viktelen [127]
The table shows a constant of proportionality the equation would be x*2=y
6 0
2 years ago
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