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Ronch [10]
3 years ago
6

What is a parameter? Group of answer choices A conclusion about the value of a population parameter based on information about t

he corresponding sample statistic and probability A numerical descriptive measure of a population A set of measurements (or counts), either existing or conceptual A probability distribution for a sample statistic A numerical descriptive measure of a sample
Mathematics
1 answer:
slamgirl [31]3 years ago
6 0

Answer:

A numerical descriptive measure of a sample.

Step-by-step explanation:

Technically, a perimeter is a numerical or other measurable factor forming sets that defines a system.

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5. A company sells small, colored binder clips in packages of 20 and offers a money-back guarantee if two or more of the clips a
SOVA2 [1]

Answer:

a) Binomial.

b) n=20, p=0.01, k≥2

The probability hat a package sold will be refunded is P=0.0169.

Step-by-step explanation:

a) We know that

  • the defective probability is constant and independent.
  • the sample size is bigger than one subject.

The most appropiate distribution to represent this random variable is the binomial.

b) The parameters are:

  • Sample size (amount of clips in the package): n=20
  • Probability of defective clips: p=0.01.
  • number of defective clips that trigger the money-back guarantee: k≥2

The probability of the package being refunded can be calculated as:

P(x\geq2)=1-(P(x=0)+P(x=1))\\\\\\P(x=k) = \dbinom{n}{k} p^{k}q^{n-k}\\\\\\P(x=0) = \dbinom{20}{0} p^{0}q^{20}=1*1*0.8179=0.8179\\\\\\P(x=1) = \dbinom{20}{1} p^{1}q^{19}=20*0.01*0.8262=0.1652\\\\\\P(x\geq2)=1-(0.8179+0.1652)=1-0.9831=0.0169

6 0
3 years ago
Simplify using the distributive property
ad-work [718]

Answer:

3/5 is the number that can be distributed across two terms inside parentheses.

you might not need it but:

x = 5

Step-by-step explanation:

<u>3/5(x - 10)</u> = 18 - 4x - 1

using distributive property, open the parentheses:

<u>3/5x - 6 </u>= 18 - 4x - 1

Simplify:

3/5x + 4x = 17 + 6

4⅗x = 23

x = 5

8 0
3 years ago
Assignment
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5 0
3 years ago
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q cyclist rode 3.75 miles in 0.3 hours. How fast was she going in miles per hour. at that rate how long will it take her to go 4
Xelga [282]

Answer:

the cyclist was going 12.5 mph

at that rate she will travel 4.5 miles in 21 minutes and 36 seconds.

7 0
3 years ago
Read 2 more answers
Find the slope of the line that passes through (5,8) and (2,3).
Juliette [100K]

Answer:

(-5,-3)

Step-by-step explanation:

y values minus y values over x values minus x values

6 0
3 years ago
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