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pickupchik [31]
3 years ago
11

PLZ HELP I WILL GIVE BRAINLIEST...

Mathematics
1 answer:
Delicious77 [7]3 years ago
7 0

Answer:

a. 6

b. 7

c. (b) Kira's

why? b. it has the large sample size

Step-by-step explanation:

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Which confidence level would produce the widest interval when estimating the mean of a population based on the mean and standard
Dvinal [7]
<h3>Answer:  A) 99%</h3>

Explanation:

The larger the confidence level, the wider the confidence interval gets. Choice A provides the largest such confidence level.

It's like trying to catch an elusive fish. The wider the net, the more confident that you are likely to catch the fish. The size of the net can be a sort of measure of the confidence level.

4 0
2 years ago
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A savings account earns 5% simple interest per year. The principal is $1200. What is the balance after 4 years?
stiv31 [10]
The formula of the Simple Interest is:
I=PRT
P for Principle Amount     ($1200)
R for Rate                        (5%=\frac{5}{100} = 0.05)
T for Time in years          (4 years)
I = 1200 × 0.05 × 4
  = $240

Add the interest to the principle amount to check the balance
$1200 + $240 = $1440

7 0
3 years ago
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If eggs cost $3 per dozen. how much would 8 eggs cost?
weeeeeb [17]
12 eggs = $3
8 eggs = (8÷12) × $3

hope this was helpful! :)
3 0
3 years ago
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Answer and show the work please?
dem82 [27]
(-5/8)(X) = -0.4
(-5/8)(X) = -4/10
X = (-4/10) / (-5/8)
X = (4/10) / (5/8)
X = (4/10)(8/5)
X = (2/5)(8/5)
X = 16/25


Letter D
4 0
2 years ago
If f(x)=3x^2 and g(x)=4x^3, what is the degree of (f*g)(x)?
Westkost [7]
3x^2 * 4x^3 = 12x^5

Answer is degree 5
3 0
3 years ago
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