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elena55 [62]
3 years ago
15

What could be concluded if the relative frequency of an event is equal to 1?

Mathematics
1 answer:
liubo4ka [24]3 years ago
8 0
What could be concluded if the relative frequency of an event is equal to 1?
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Solve 7−3n ≤ n+3<br> ................
vredina [299]

Answer:

1 ≤ n

Step-by-step explanation:

7−3n ≤ n+3

  +3n   +3n

7 ≤ 4n+3

-3       -3

4 ≤ 4n

divide by 4 on each side

1 ≤ n

4 0
3 years ago
Noel has rowing lessons every 5 days and guitar lessons every 6 days. If he had both lessons on the last day of the previous mon
bixtya [17]

Answer:

Since every 30 days  he  wil have both lessons on the same day , and  he already  had both lessons on the last day of the previous month, that means that the day 30  the current month   he  wil have both lessons on the same day (It may be the last day if the month has 30 days or it may not be the last day if the month has 31 days)

Step-by-step explanation:

Lets find the least common factor of 5 and 6

Multiples of 5

5  10  15  20  35  30  35  40......

Multiples of 6

6  12  18  24  30 36  

LCF of 5 and 6 = 30

Every 30 days  he  wil have both lessons on the same day

3 0
3 years ago
Plz tell me 12 x 12 = and 12 x 13 =
avanturin [10]

Answer:

12 x 12 = 144, 12 x 13 = 156

Step-by-step explanation:

3 0
3 years ago
You want to test the claim that the average age of students at Gorka College is greater than the average age of students at Yapo
777dan777 [17]

Answer:

Kindly check explanation

Step-by-step explanation:

The hypothesis :

H0 : μ1 = μ2

H1 : μ1 > μ2

Given :

x1 = 21.1 ; n1 = 53 ; s1 = 1.1

x2 = 20.7 ; n2 = 46 ; s2 = 1.2

The test statistic :

(x1 - x2) / √[(s1²/n1 + s2²/n2)]

(21.1 - 20.7) / √[(1.1²/53 + 1.2²/46)]

0.4 / 0.2326682

Test statistic = 1.719

The degree of freedom using the conservative method :

Comparing :

Degree of freedom = n - 1

Degree of freedom 1 = 53 - 1 = 52

Degree of freedom 2 = 46 - 1 = 45

Smaller degree of freedom is chosen ;

The Pvalue from Test statistic, using df = 45

Pvalue = 0.0462

Pvalue < α ; Hence, there is significant evidence to conclude that average age of Gorka student is higher than Yaphoa.

7 0
3 years ago
the observation of an underground data in their ascending order are 12,15,X,19,28. if the median of the data is 18 find the valu
Annette [7]

Answer:

The value of x = 18

Step-by-step explanation:

Given the data set

12,15,x,19,28

  • Given that the median of the data is 18.
  • We know that the median is the middle number in a data set when the data points are in ascending order.

As the given data is already in ascending order.

  • Please observe that the data set has an odd number of data points, meaning that the middle number is the median of the data is 18.

As 'x' is the middle number, thus it represents the median value.

Therefore, the value of x = 18

3 0
3 years ago
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