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Elena-2011 [213]
3 years ago
15

The​ _______ represents the expected proportion of intervals that will contain the parameter if a large number of different samp

les of size n is obtained. it is denoted​ _______.
Mathematics
1 answer:
Nata [24]3 years ago
3 0
The level of confidence represents the expected proportion of intervals that will contain the parameter if a large number of different samples of size n is obtained. It is denoted​ by <span>(1 - ∝) * 100%</span>.
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A customer buys a CD for $15 and a video game. The customer pays a total of $42.80 for the two items, which includes 7% sales ta
kari74 [83]

Answer:

1.07 (15 + x) = 42.80

Step-by-step explanation:

Given data

CD= $15

Let the cost of the video game be x

The total cost= 15+x

Hence the equivalent expression is

1.07 (15 + x) = 42.80

open bracket

16.05+1.07x= 42.80

42.80-16.05= 1.07x

26.75=1.07x

x= 26.75/1.07

x= 25

Check

7% tax for CD

=0.07*15

=1.05

total =1.05+15

=$16.05

7% tax for Video game

=0.07* 25

=1.75

total =1.75+25

=$26.75

In all

=26.75+16.05

=$42.8

4 0
3 years ago
Find the value of the expression 3m^2+2p^2-15 when m =3 and p = 10
mylen [45]

3m {}^{2}  +  {2p}^{2}  - 15
m = 3
p = 10

3 \times 3 {}^{2}  + 2 \times  {10}^{2}  - 15 =
3 \times 9 + 2 \times 100 - 15 =
27 + 200 - 15 =
212

Hence, the answer is 212.



5 0
3 years ago
Solve for w: k = 3pw<br> please help i have no clue
navik [9.2K]

Answer:

w = \dfrac{k}{3p}

Step-by-step explanation:

k = 3pw

Step 1: switch sides.

3pw = k

Step 2: Since you want w alone, and w is being multiplied by 3p, divide both sides by 3p.

w = \dfrac{k}{3p}

7 0
3 years ago
3 3/8 divided by 9 =
wlad13 [49]

Answer:

0.375

Hope this helps....

Have a nice day!!!!

8 0
3 years ago
Read 2 more answers
The measure of angle STV is 160.
ratelena [41]

Answer:

x = 125

Step-by-step explanation:

x = 160 - 35

x = 125

4 0
2 years ago
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