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Anuta_ua [19.1K]
3 years ago
9

I hit 20 subs! Can you guys help me out more by subbing to 999 splxsh on yt. Thanks!

Mathematics
2 answers:
charle [14.2K]3 years ago
6 0

Answer:

Sure! I'll look you up!

Step-by-step explanation:

laiz [17]3 years ago
4 0

Answer:

Good luck! ill sub rn. brainliest?

Step-by-step explanation:

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According to the last census (2010), the mean number of people per household in the United States is LaTeX: \mu = 2.58 Assume a
Veseljchak [2.6K]

Answer:

P(2.50 < Xbar < 2.66) = 0.046

Step-by-step explanation:

We are given that Population Mean, \mu = 2.58 and Standard deviation, \sigma = 0.75

Also, a random sample (n) of 110 households is taken.

Let Xbar = sample mean household size

The z score probability distribution for sample mean is give by;

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

So, probability that the sample mean household size is between 2.50 and 2.66 people = P(2.50 < Xbar < 2.66)

P(2.50 < Xbar < 2.66) = P(Xbar < 2.66) - P(Xbar \leq 2.50)

P(Xbar < 2.66) = P( \frac{Xbar-\mu}{\frac{\sigma}{\sqrt{n} } } < \frac{2.66-2.78}{\frac{0.75}{\sqrt{110} } } ) = P(Z < -1.68) = 1 - P(Z  1.68)

                                                              = 1 - 0.95352 = 0.04648

P(Xbar \leq 2.50) = P( \frac{Xbar-\mu}{\frac{\sigma}{\sqrt{n} } } \leq \frac{2.50-2.78}{\frac{0.75}{\sqrt{110} } }  ) = P(Z \leq  -3.92) = 1 - P(Z < 3.92)

                                                              = 1 - 0.99996 = 0.00004  

Therefore, P(2.50 < Xbar < 2.66) = 0.04648 - 0.00004 = 0.046

7 0
3 years ago
Write the rule for the function represented by this table.​
sineoko [7]
Rule: y= 3 • x + 1

Explanation

You times a the number shy three then add one
4 0
2 years ago
Help me on this please.
frosja888 [35]


it’s system of substitutions ?
so try

a = 2
b = 5
8 0
2 years ago
A student wants to use evidence from "The Treasure of Lemon Brown" to support the idea that Greg becomes more
Nastasia [14]

Answer:

URGENT

Debug the following:any one free out

sin theta equals to cos theta then the value of sin 2 theta

8 0
2 years ago
Read 2 more answers
Mrs. Frasier is making costumes for the school play. Each costume requires 3/4 yards of fabric. She bought 6 yards of fabric. Ho
kodGreya [7K]

Answer:

8 costumes

Step-by-step explanation:

Take the total amount of fabric and divide by the amount per costume

6 ÷ 3/4

Copy dot flip

6 * 4/3

6/3 *4

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8

She can make 8 costumes

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