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Orlov [11]
3 years ago
5

0.15/0.5×(-0.16/1.2)

Mathematics
1 answer:
zzz [600]3 years ago
5 0
The got -0.04x I hope this helps
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Twenty students choose a piece of fruit from a list of 4 fruits: apple banana grape and pear. The theoretical probability that a
Over [174]

Answer:

Significant difference of 0.20

Step-by-step explanation:

No of student = 20

No of fruits available =4

EAch student is independent of the other.

Hence theoretical probability that a student will choose a banana is=1/4=0.25.

But actual experiments showed that only 1 student selected banana out of 20

Experimental probability that a student will choose a banana is.=1/20 =0.05

The difference between the two = 0.25-0.05 = 0.20

Thus there is a significant difference between Experimental probability that a student will choose a banana and theorical probability that a student will choose a banana

3 0
3 years ago
Read 2 more answers
PLEASE NEED HELP PROPOTION AND PERCENTS !!!WILL GIVE BEST RATE​
vlabodo [156]

Answer:

80

Step-by-step explanation:

40 is 100

32 is x

100*32/40=80

3 0
3 years ago
Read 2 more answers
How do I answer this question?
Thepotemich [5.8K]

Answer:

The total cost for 8 skiers=316 dollars

Step-by-step explanation:

Given that the expression 15n+12n+100 represents the total cost in dollars for skis,boots and a lesson for n skiers.

To simplify the given expression :

15n+12n+100=27n+100

27n=-100

Therefore n=\frac{-100}{27}

Now to find the total cost for 8 skiers.

The total cost for 8 skiers can be written as below

Put n=8 in the given expression 15n+12n+100

15(8)+12(8)+100

=120+96+100

=316

Therefore the total cost for 8 skiers is 316 dollars

The total cost for 8 skiers=316 dollars

4 0
3 years ago
What is the location of point A?
AlladinOne [14]

Answer:

C.-1.6

Step-by-step explanation:

distance: -1 - (-2) = 1

1 ÷ 5 = 1/5

-1 - 1/5 × 3 = -1 3/5 = -1.6

3 0
2 years ago
A large manufacturing firm tests job applicants who recently graduated from college. The test scores are normally distributed wi
anzhelika [568]

Answer:

lowest score a college graduate must earn to qualify for a responsible position is 578

correct option is D. 578

Step-by-step explanation:

given data

mean = 500

standard deviation = 50

distribution = 6 %

to find out

What is the lowest score a college graduate must earn to qualify for a responsible position

solution

we know that here Probability P that is express as

P ( Z > x ) = 100% - 6%      .....................1

so with the help of normal table

here value of Z is =  1.55 from cumulative probability 0.94

so by z score formula here x will be

x = z × standard deviation +  mean    ................2

so put here value

x = 1.55 × 50 + 500

x = 577.7387 ~ 578

so lowest score a college graduate must earn to qualify for a responsible position is 578

8 0
3 years ago
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