I need help due in 20 min thank I will help u to

Mathematics

2 answers:

Lyrx [107]3 years ago

5 0

X is less than or equal to 3
X is less than 9
X is less than -5
X is greater than or equal to 13

pav-90 [236]3 years ago

4 0

YES I learned this a few weeks ago and I aced it :)) okay so the photo I sent are the answers! Feel free to ask me if you need me to explain how:))

You might be interested in

Sorry my brain hurts... Most of u love the points anyway

Amanda [17]

I think the answer's C: $7000/$8000
That's a surprisingly easy question for high school

6 0

3 years ago

Read 2 more answers

Given a population with a mean of muμequals=100100 and a variance of sigma squaredσ2equals=3636, the central limit theorem appl

lakkis [162]

Answer:

a) $\bar X \sim N(100,\frac{6}{\sqrt{25}}=1.2)$

$\mu_{\bar X}=100$ $\sigma^2_{\bar X}=1$

b) $P(\bar X >101)=1-P(\bar X$

c) $P(\bar X$

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".

The central limit theorem states that "if we have a population with mean μ and standard deviation σ and take sufficiently large random samples from the population with replacement, then the distribution of the sample means will be approximately normally distributed. This will hold true regardless of whether the source population is normal or skewed, provided the sample size is sufficiently large".

The complement rule is a theorem that provides a connection between the probability of an event and the probability of the complement of the event. Lat A the event of interest and A' the complement. The rule is defined by: $P(A)+P(A') =1$