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aliya0001 [1]
3 years ago
7

Why is the question below a statistical question? Check all that apply. How many different states have you visited? . Only one p

erson can answer this question. The question provides useful data about a group of people. Many people can answer the question. There is only one answer to this question. There will be many different answers to the question. The data collected helps us understand the differences in a group of people.
Mathematics
2 answers:
sergejj [24]3 years ago
7 0

Answer:

C, D, E, and F

Step-by-step explanation:

The question provides useful data about a group of people.

Many people can answer the question.

There will be many different answers to the question.

The data collected helps us understand the differences in a group of people.

A statistical question, is the data off of a group of people and their differences.

Snezhnost [94]3 years ago
4 0

Answer:

2 3 5 6

Step-by-step explanation:

just took test

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The annual rainfall (in inches) in a certain region is normally distributed with = 40 and = 4. What is the probability that star
sdas [7]

Answer:

0.93970

Step-by-step explanation:

Solution:-

- Denote a random variable "X" The annual rainfall (in inches) in a certain region . The random variable follows a normal distribution with parameters mean ( μ ) and standard deviation ( σ ) as follows:

                          X ~ Norm ( μ , σ^2 )

                          X ~ Norm ( 40 , 4^2 ).

- The probability that it rains more than 50 inches in that certain region is defined by:

                          P ( X > 50 )

- We will standardize our test value and compute the Z-score:

                          P ( Z > ( x - μ )  / σ )

Where, x : The test value

                          P (  Z > ( 50 - 40 )  / 4 )

                          P (  Z > 2.5 )

- Then use the Z-standardize tables for the following probability:

                          P ( Z < 2.5 ) = 0.0062

Therefore,          P ( X > 50 ) = 0.0062

- The probability that it rains in a certain region above 50 inches annually. is defined by:

                           q = 0.0062 ,

- The probability that it rains in a certain region rains below 50 inches annually. is defined by:

                           1 - q = 0.9938

                           n = 10 years   ..... Sample of n years taken

- The random variable "Y" follows binomial distribution for the number of years t it takes to rain over 50 inches.

                          Y ~ Bin ( 0.9938 , 0.0062 )

- The probability that it takes t = 10 years for it to rain:

                         =  10C10* ( 0.9938 )^10 * ( 0.0062 )^0

                         = ( 0.9938 )^10

                         = 0.93970

3 0
3 years ago
Allen's daily regular wage is P1,420. This coming Christmas, his boss is asking him to work for 14 hours. How much is his DAILY
VMariaS [17]

Using proportions, it is found that his DAILY RATE on that particular day is of Php 2,420 .

  • This question is solved by proportions, using a <em>rule of three.</em>
  • In a regular 8-hour day, Allen earns Php 1420. How much will he earn on a 14 hour day?

The <em>rule of three</em> is:

8 hours - Php 1420

14 hours - x

Applying cross multiplication:

8x = 1420 \times 14

x = \frac{1420 \times 14}{8}

x = 2485

The closest option is Php 2,420.

A similar problem is given at brainly.com/question/24372153

7 0
3 years ago
Which phrase describes an unknown or changeable quantity?
Flura [38]

Answer:

That is a variable.

Step-by-step explanation:

- opposed to a constant which is known and does not change.

3 0
2 years ago
A 4-cup carton of frozen yogurt costs $3.64. What is the price per pint?
Musya8 [376]

Answer:

$0.91.

91 cents.

Step-by-step explanation:

have a good day!

7 0
3 years ago
I need Help!! Please Help me!! I will give Brainliest!!!
IrinaK [193]

Answer:

1.  150%                     2.  14%

Step-by-step explanation:

4 0
3 years ago
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