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s344n2d4d5 [400]
2 years ago
14

A Biycle wheel has a diameter of 52cm.

Mathematics
1 answer:
schepotkina [342]2 years ago
8 0

Answer:

26cm

Step-by-step explanation:

because 2 radius equal 1 diameter

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The proportion of households in a region that do some or all of their banking on the Internet is 0.31. In a random sample of 100
Alenkasestr [34]

Answer:

Approximate probability that the number of households that use the Internet for banking in a sample of 1000 is less than or equal to 130 is less than 0.0005% .

Step-by-step explanation:

We are given that let X be the number that do some or all of their banking on the Internet.

Also; Mean, \mu = 310/1000 or 0.31   and  Standard deviation, \sigma = 14.63/1000 = 0.01463 .

We know that Z = \frac{X-\mu}{\sigma} ~ N(0,1)

Probability that the number of households that use the Internet for banking in a sample of 1000 is less than or equal to 130 is given by P(X <= 130/1000);

 P(X <=0.13) = P( \frac{X-\mu}{\sigma}  <= \frac{0.13-0.31}{0.01463} ) = P(Z <= -12.303) = P(Z > 12.303)

Since this value is not represented in the z table as the value is very high and z table is limited to x = 4.4172.

So, after seeing the table we can say that this probability is approximately less than 0.0005% .

4 0
3 years ago
Pls help asap i’m timed!!!
frutty [35]

This is ed right? If so the answer would be c

8 0
3 years ago
Read 2 more answers
Round 8.54 to the nearest tenth
olchik [2.2K]
The nearest tenth means 1 decimal place.
so the answer is 8.5
7 0
3 years ago
Read 2 more answers
Anyone know how the graph is suppose to go?
zheka24 [161]
Remark
You have given the second best answer. Your answer is |x|<1. You should have open circles at 1 and - 1. 

Solution
I have enclosed a graph that is not a number line. You could confine yourself to a number line just by tracing out the blue solution (which is the answer you want)

The red solution is what you did.
The blue solution does not include x = 1 nor does it include x = - 1. The number line would show 1 < x < ∞ and  -∞ < x < -1  

5 0
2 years ago
The median of the values 3.4, 4.7, 1.9, 7.6, and 6.5
vladimir2022 [97]

Answer:

4.7

Step-by-step explanation:

the median is the middle number in a set of numbers so first we need to put them in order

1.9 3.4 [4.7] 6.5 7.6

this one is easy since we have an odd number of digits

the answer is 4.7

5 0
2 years ago
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