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Aleksandr [31]
2 years ago
5

In a large population, 66 out of every 100 people like dogs better than cats. You would like to find out how likely it is a grou

p of cat-lovers from this population will come together by random chance. You decide to use a sampling distribution to help your analysis, and you believe that a sample size of 50 will be large enough to generate your data, so you select 50 people at random to participate in your study.
a) Using the information above, determine the probability of success - that is, the likelihood of an individual preferring cats - for the general population. Enter a number answer only. Round your answer to two decimal places.
b) Using the information above, determine the probability of failure - that is, the likelihood of an individual preferring dogs - for the general population. Enter a number answer only. Round your answer to two decimal places.
c) Using the information above, determine the sample size used in the study.
d) Using the information above, determine the mean of the sampling distribution for all samples of size 50. Enter a number answer only.
e) Using the information above, determine the standard deviation of the sampling distribution for all samples of size 50. Enter a number answer only. Round your answer to two decimal places.
Mathematics
1 answer:
SCORPION-xisa [38]2 years ago
4 0

Answer:

Girl whatattattatattatatat

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(10 - 2 )^{2} + ( 5 - 10 ÷ 2 )
bixtya [17]

Answer:

64

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Step-by-step explanation:

<u>Step 1: Define</u>

(10 - 2)² + (5 - 10 ÷ 2)

<u>Step 2: Evaluate</u>

  1. (Parenthesis) Divide:                     (10 - 2)² + (5 - 5)
  2. (Parenthesis) Subtract:                  8²
  3. Exponents:                                     64
8 0
3 years ago
Read 2 more answers
X - 7 &lt; -20 inequalify
Naily [24]

Step-by-step explanation:

x - 7 < -20

x < -20 + 7

x < -13

X = (-12, -11, -10,...)

3 0
2 years ago
(3/2)^2÷(1-3/2+√(1/8+7/16))×(1+2/3)^3<br> ayudaaaaaaaa
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4 0
2 years ago
(Please show all work)
Lunna [17]

The answers here are

2) x= 2, 7

3) x= -5

7 0
3 years ago
Debbie found a suitcase that was originally 129 but now is on sale for 30% off. If sales tax is 8.75%, what is her final cost?
Marizza181 [45]

Step-by-step explanation:

To find the answer we first multiply 129 by 0.7 since the price descresed 30 percent. each percent is equal to 0.01.

129 * 0.7 = 90.3

Then we multiply 90.3 by 1.0875 since that is the sales tax

90.3 * 1.0875 = 98.2

so the cost is 98.2

6 0
2 years ago
Read 2 more answers
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