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3 years ago

How many numbers between 1 and 1000 do not contain the digits 8, and 9 ?

Mathematics

2 answers:

sammy [17]3 years ago

6 0

Answer:

998

Step-by-step explanation:

I haven't included the 1 or the 1000

Liono4ka [1.6K]3 years ago

6 0

Answer:

There are 200 numbers between 1 and 1000 that do not contain the digits 8, and 9.

Step-by-step explanation:

1-100

=(8,9,18,19,28,29,38,39,48,49,58,59,68,69,78,79,88,89,98,99)=20

101-200

=(108,109,118,119,128,129,138,139,148,149,158,159,168,169,178,179,188,189,198,199)=

201-300=20

.......

100*10=1000

20*10=200

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3 years ago

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3 years ago

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Sphinxa [80]

Answer:

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3 years ago

The conditional relative frequency table was generated using data that compares the favorite subjects of male and female student

Leona [35]

Answer: Using the information of the conditional relative frequency table, 123 students in the survey said that math was their favorite subject.

Solution:

1. The survey was given to 120 male students.

Acconding with the table, the proportion of male students with Math as favorite subject is 0.35. The quantity of male students with Math as favorite subject would be:

0.35(120)=42 male students

2. The survey was given to 180 female students.

Acconding with the table, the proportion of female students with Math as favorite subject is 0.45. The quantity of female students with Math as favorite subject would be:

0.45(180)=81 female students

Then the total of students in the survey said that math was their favorite subject would be:

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3 0

3 years ago

Read 2 more answers

It is thought that not as many Americans buy presents to celebrate Valentine's Day anymore. A random sample of 40 Americans yiel

evablogger [386]

Answer:

98% confidence interval of the true proportion of all Americans who celebrate Valentine's Day

(0.3672 , 0.7328)

Step-by-step explanation: