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vodomira [7]
2 years ago
13

85 percent of California community college transfers feel that their community college adequately prepared them to handle upper-

division coursework at their transfer university. We randomly survey 20 California community college transfers. We are interested in the number that feel that their community college adequately prepared them to handle upper division coursework at their transfer university. Find the probability that more than half felt that they were prepared. 1.00 0.00 6.59 0.34

Mathematics
2 answers:
suter [353]2 years ago
7 0

Answer:

Ans 1 is correct.

Step-by-step explanation:

We have given that,

p=0.85,

n=20.

we know that

1-P(x=1)=1-(0.85×0.15^19)=0.999

Ans 1 is correct.

WARRIOR [948]2 years ago
3 0

Answer: 1

Step-by-step explanation:

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PROBLEM SOLVING You are participating in an orienteering competition. The diagram shows the position of a river that cuts throug
Wewaii [24]

Answer:

The shortest distance is 2.2 miles      

Step-by-step explanation:

we know that

The shortest distance you must travel to reach the river is the perpendicular distance to the river

step 1

Find the slope of the line perpendicular to the river

we have

y=3x+2

The slope of the river  is m=3

Remember that if two lines are perpendicular, then their slopes are opposite reciprocal (the product of their slopes is -1)

therefore

The slope of the line perpendicular to the river is

m=-1/3

step 2

Find the equation of the line into point slope form

y-y1=m(x-x1)

we have

m=-1/3

point(2,1)

substitute

y-1=-(1/3)(x-2)

step 3

Find the intersection point of the river and the line perpendicular to the river

we have

y=3x+2 ------> equation A

y-1=-(1/3)(x-2) -----> equation B

Solve the system by graphing

The intersection point is (-0.1,1,7)

see the attached figure

step 3

Find the distance between the points (2,1) and (-0,1,1.7)

the formula to calculate the distance between two points is equal to

d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}

substitute

d=\sqrt{(1.7-1)^{2}+(-0.1-2)^{2}}

d=\sqrt{(0.7)^{2}+(-2.1)^{2}}

d=2.2\ miles

6 0
2 years ago
A distribution for a set of wrist circumferences (measured in centimeters) taken from the right wrist of a random sample of newb
lozanna [386]

Answer:

A Histogram will be used to represent the size of right wrist of the random sample of newborn infants.

Step-by-step explanation:

A histogram is the graphical representation of the frequency distribution in the given sample. As the value of circumference can be a positive real number, therefore a Histogram with class boundaries can be formed such that the overall frequency of a wrist size is also visible in the graph.

Also as the distribution will be of continuous nature thus a histogram is a more suitable option as compared to a bar or stem and leaf graph.

3 0
2 years ago
The amount of rhubarb in the original recipe is 3 1/2 cups. Using what you know of whole numbers and what you know of fractions,
Alexxx [7]
The easiest way, I think, is to convert the mixed number into an improper fraction, then multiply by 3.
3 1/2 = 7/2
7/2 · 3 = 21/2
now just change the improper fraction back to a mixed number by dividing and putting the remainder into fraction form
21/2 = 10 1/2

You could also multiply the whole number by 3 and the fraction by 3, ending up with 9 3/2, but then have to convert the improper fraction into a mixed number
3/2 = 1 1/2
then add the numbers together
9 + 1 1/2 = 10 1/2
either way works, whatever is easiest for you.  
8 0
2 years ago
The expanded form for 300,684 can be written with only 4 addends.explain how this is possible for a number with 6 digits
kumpel [21]

Answer:300,000 + 600+80+4; you only use the addends of the digits with value when writing a number in expanded form.

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
We can calculate EE, the amount of euros that has the same value as DD U.S. dollars, using the equation E=\dfrac{17}{20}DE=
Rudik [331]

Answer:

We are given eqaution: e=\frac{17}{20}d , where e the amount of euros and d is the value as U.S. Dollars.


We need to find number of euros for 1 U.S. Dollar.


Plugging d=1 in the given equation


We get


e=\frac{17}{20}(1)


On simplfying , we get


e=\frac{17}{20}


Dividing 17 by 20, we get 0.85.


Therefore, there would be 0.85 euro have the same value as 1 U.S. Dollar.


Read more on Brainly.com - brainly.com/question/11243826#readmore

Step-by-step explanation:


5 0
2 years ago
Read 2 more answers
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