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Nesterboy [21]
3 years ago
11

Maridel wants to find out how many of her classmates plan to come to the next football game. There are 800 students in her schoo

l. She selects a sample of the population by putting the names of every student into a bag and drawing out 100 names. Which statement(s) describe her sampling method? Check all that apply. Her method will produce a biased sample. Her method will produce a valid sample. Her method will produce a random sample. Her method will produce a representative sample. Her method will produce an invalid sample.
Mathematics
2 answers:
OverLord2011 [107]3 years ago
8 0

Her method will produce a valid sample.

Her method will produce a random sample.

Her method will produce a representative sample.



VLD [36.1K]3 years ago
4 0

Answer:

2nd, 3rd and 4th options are correct.

Step-by-step explanation:

There are 800 students in her school. Maridel selects a sample of the population by putting the names of every student into a bag and drawing out 100 names.

Her sampling method is random and valid. As she has not chosen the names of students based on some order or preference, she has chosen completely random names.

So, the statements that describe her sampling method are:

2. Her method will produce a valid sample.

3. Her method will produce a random sample.

4. Her method will produce a representative sample.

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The sum of two numbers is 43, and their product is 450. What is their difference?​
kow [346]

Answer:

List the factors of 450

1,450

3,150

5,90

6,75

9,50

10,45

15,30

18,25

The factor with the sum of 43 is 18+25

25-18=7 so the difference is 7

hope this helps

Step-by-step explanation:

8 0
3 years ago
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Guys please help me whit this , I got a lot of time doing this please give me the answer
Usimov [2.4K]

Answer:

c

Step-by-step explanation:

this needs evaluation of Bella's income on every chore.

say when c = 1, d = 3.5*1+11= 14.5

c=2 d = 3.5*2+11= 18..evaluate for c=3,4,5.

with that it can be found that bella earns more than sweet t. so choice c

8 0
2 years ago
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According to a study conducted in one city, 35% of adults in the city have credit card debts more than $2.000. A simple random s
BabaBlast [244]

Answer:

Binomial; \mu p=87.5, \sigma p=7.542

Step-by-step explanation:

  • a distribution is said be a binomial distribution iff
  1. The probability of success of that event( let it be p) is same for every trial
  2. each trial should have 2 outcome : p or (1-p) i.e, success or failure only.
  3. there are fixed number of trials (n)
  4. the trials are independent
  • here, the trials are obviously independent ( because, one person's debt doesn't influence the other person's)
  • here n=250
  • the probability of success(0.35) is same for every trial

(35/100=0.35 is the required p here)

  • \mu_{p} =n*p=250*\frac{35}{100} =250*0.35=87.5

[since, the formula for \mu _{p} =n*p ]

  • \sigma _{p} =\sqrt{n*(p)*(1-p)} = \sqrt{250*0.35*(1-0.35)} = 7.542 ( approximately)

[since, the formula for [tex]\sigma _{p} =\sqrt{n*(p)*(1-p)}

  • therefore, it is Binomial; \mu p=87.5, \sigma p=7.542

4 0
3 years ago
[WILL GIVE BRAINLIEST]
kirill115 [55]
Your answer is simple times 6 to 3 to get 18 then 15 by 8 to get 96 then add up everything to get 114
6 0
3 years ago
Explain the steps for dividing decimals. Write three or four sentences.
SVETLANKA909090 [29]

Answer:

Step-by-step explanation:

Move the decimal point in the divisor and dividend.

Turn the divisor (the number you’re dividing by) into a whole number by moving the decimal point all the way to the right. At the same time, move the decimal point in the dividend (the number you’re dividing) the same number of places to the right.

Place a decimal point in the quotient (the answer) directly above where the decimal point now appears in the dividend.

Divide as usual, being careful to line up the quotient properly so that the decimal point falls into place.

Line up each digit in the quotient just over the last digit in the dividend used in that cycle.

4 0
3 years ago
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