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____ [38]
3 years ago
6

50 people are selected randomly from a certain population and it is found that 12 people in the sample are over 6 feet tall. wha

t is the point estimate of the proportion of people in the population who are over 6 feet tall?
Mathematics
1 answer:
Taya2010 [7]3 years ago
8 0

Answer:

The point estimate of the proportion of people over 6ft to total people is 6:25

Step-by-step explanation:

To find this, simply start with the number of people over 6 ft and total people as a proportion.

12:50

Then simplify by dividing by 2

6:25

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ANSWER ASAP PLEASE
yulyashka [42]

The answer is D, 32pi

The radius is half the diameter, which is 32. The circumference equation is 2\pi r or \pi d

So that gives you 32pi

6 0
3 years ago
A jar contains 4 green marbles and 3 blue marbles of the same size and shape. rachel will randomly pull 2 marbles from the bag a
vagabundo [1.1K]
Probably most likely 1.25% because in the question it doesn't say there is any blue marbles.
6 0
3 years ago
Uhhh I am struggling with this question algebra 1
Olin [163]

Answer:

-2x^2 +16x -8

Step-by-step explanation:

Oh s-

Like terms i guess Same variable you can substract. Remember you only substract from 1 number not from all.

-2x^2 stays the same as there is no like term

9x - (-7x)

-2 - (6)

-2x^2 + 9x+ 7x -2-6

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4 0
3 years ago
Find the explicit formula for a 1 =-4,a n =a n-1 +9,n>=2
Mrrafil [7]

Given:

a_1=-4 and a_n=a_{n-1}+9 where n\geq 2.

To find:

The explicit formula for the given recursive formula.

Solution:

We know that recursive formula of an AP is:

a_n=a_{n-1}+d

Where, d is the common difference.

We have,

a_n=a_{n-1}+9

Here, d=9.

The first term of the AP is a_1=-4.

The explicit formula for an AP is:

a_n=a_1+(n-1)d

Substituting a_1=-4 and d=9, we get

a_n=-4+(n-1)9

a_n=-4+9n-9

a_n=-13+9n

Therefore, the required explicit formula for the given sequence is a_n=-13+9n.

6 0
3 years ago
The u.s. senate consists of 100 members, 2 from each state. A committee of five senators is formed. What is probability it conta
shtirl [24]

Answer:

The probability is 9.80%.

Step-by-step explanation:

The u.s. senate consists of 100 members, 2 from each state.

A committee of five senators is formed.

P(at least one from Your state) = 1- \frac{98c5}{100c5}

= 1- \frac{67910864}{75287520}

= 1-0.9020

= 0.098

That is, 9.80%.

4 0
3 years ago
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