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2 years ago

8

The heights of adult females are normally distributed with mean 160 cm and standard deviation of 8 cm. Use the z-table, find the

probability that a randomly selected adult female has a height greater than 168 cm. (Round your answer to three decimal places)

1 answer:

lisabon 2012 [21]2 years ago

4 0

I think answer should be 200 please give me brainlest I hope this helps let me know if it’s correct thanks

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12.3 Write the first five terms of the sequence whose general term is <img src="https://tex.z-dn.net/?f=a_%7Bn%7D%3D3%5E%7Bn%7D%

weeeeeb [17]

Answer:

7,13,31,85,247......

Step-by-step explanation:

$a_n =3^n + 4$

$\sf a_1=3^1 + 4 = 3 + 4 = 7\\\\a_2 = 3^2 + 4 = 9 + 4 = 13\\\\a_3 = 3^3 + 4 = 27 + 4 = 31\\\\a_4 = 3^4 + 4 = 81 + 4 = 85\\\\a_5 = 3^5 + 4 = 243 + 4 = 247$

8 0

1 year ago

Is that right? <br><br> Please help

kondaur [170]

Answer:

yes x = 16

Step-by-step explanation:

The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles, that is

133 = x + 117 ( subtract 117 from both sides )

16 = x

8 0

3 years ago

Joey had 40 words to study for a spelling quiz, but he only learned 10 of them. His teacher surprised the class by telling them

Natasha2012 [34]

Answer:

The probability of choosing a word randomly which is one of the words Joey learned = 1/4

Step-by-step explanation:

Total number of words to be memorized = 40 words

The number of words memorized by Joey = 10

Let E: Event of randomly choosing a word that Joey has learned.

P(E) = $\frac{\textrm{The total words learned by Joey}}{\textrm{Total Words in the quiz}}$

$\implies P(E) = \frac{10}{40} = \frac{1}{4}$

Hence, the probability of choosing a word randomly which is one of the words Joey learned = 1/4

6 0

3 years ago

1) Squeaky Clean takes their 41-foot ladder to a new building

olchik [2.2K]

Answer: 32 ft

Step-by-step explanation: The ladder and the building and the ground form a right triangle will ladder being the hypotenuse....

pythagorean theorem hyp2 = 252 + d2

41^2 - 25^2 = d^2 d =~~ 32 ft

cited from web2.0calc

3 0

2 years ago

What the the perimeter of this polygon?

DENIUS [597]

Answer:

21.7

Step-by-step explanation:

you add all along the shape and it adds up to 21 and 21.7 is the only answer that has 21 in it

hope this helps.

6 0

2 years ago