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3 years ago

Help!! answer needed fast plz!

Mathematics

1 answer:

OleMash [197]3 years ago

4 0

Answer: Hey darling please include a photo and I will comment and give you the answer

Step-by-step explanation: Sorry.....Just let me know and I will help you out free of charge

-carrie

stay safe and warm

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A recent survey concluded that the proportion of american teenagers who have a cell phone is 0.27. the true population proportio

Jet001 [13]

Answer:

The mean for the sampling distribution of the sample proportion is 0.29

The standard deviation for the sampling distribution of the sample proportion is 0.01435

Step-by-step explanation:

The mean for the sampling distribution of the sample proportion is always equal to the true population proportion, in this case; p = 0.29

The standard deviation for the sampling distribution of the sample proportion is calculated as;

$\sqrt{\frac{p(1-p)}{n} }$

Using the given values;

p = 0.29

1 - p = 0.71

n = 1000

The standard deviation becomes;

$\sqrt{\frac{(0.29)(1-0.29)}{1000} } \\$

The s.d becomes 0.01435

4 0

4 years ago

Please help with this?

frez [133]

$7p3 = 210$

8 0

3 years ago

For the monthly rainfall data set of 7 cm, 3 cm, 10 cm, 7 cm, 12 cm, 10 cm, 8 cm, and 7 cm calculate the mean. * what is the mea

timama [110]

The mean would be 8 since you would have to add all of them up which would give you 64 and then divide by the amount of numbers their are which is 8 so 64/8 = 8

5 0

3 years ago

[PLEASE HELP] Each of these statements describe a transformation of a graph of y = x, The which of the statements correctly desc

Sphinxa [80]

Answer:

Step-by-step explanation:

Adding the 7 to the input (x) will increase the output (y) by 7. Therefore, the graph is translated 7 units up.

5 0

3 years ago

Read 2 more answers

Please help me solve this equation

elena-s [515]

Answer:

m<U = 38degrees

Step-by-step explanation:

From the given diagram, <B = <U since both triangles are similar, hence;

Hence;

2y+2 = 3y-16

2y - 3y = -16 - 2

-y = -18

y = 18

Get m<U

m<U = 3y-16

m<U = 3(18) -16

m<U = 54 - 16

m<U = 38degrees

3 0

3 years ago