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Alika [10]
2 years ago
15

PLS HELLPPPP with a good and simplified explanation just 7th grade.

Mathematics
2 answers:
Lena [83]2 years ago
5 0

Answer:

1:10

Step-by-step explanation:

umka21 [38]2 years ago
3 0

Answer:

1 / 10 (1 : 10) (10%)  - your teacher has probably given you some idea as to the formatting of how you should write probability [so 3 different ways are written here], but I suspect they expect you to write it as 1 / 10

Step-by-step explanation:

only 1 out of all of these 10 trials is a "success" (aka what we are looking for)

we know that 7 matches the criteria of all years seeing a groundhog, and that all other options (1 , 2 , 3 , 4 , 5 , 6 , 8 , 9 , 10) do not meet this criteria.

so, the experimental probability** is 1 / 10 (or 1 : 10) (1 / 10 = 10%)

**: experimental probability is about how many times something happens in the experiment--not theoretically. it means that if his life was destined to be 1 of the 10, the probability of his experience matching the criteria is 1 / 10

experimental probability can be thought of as

successes / possible outcomes

{I hope this was helpful!! }

You might be interested in
Mrs. Benton is making treat bags for her class. She has 245 Chocolate Twisters. If she puts 9 Chocolate Twisters in each treat b
Alex17521 [72]

Answer:

She can make 27 bags

2 pieces of candy is left over

Step-by-step explanation:

She has 245 Chocolate Twisters.

she puts 9 Chocolate Twisters in each treat bag,

1 bag hold 9 chocolates

9 chocolates = 1 bag

So 245 chocolates in how many bags

Divide 245 by 9

use long division

                       2 7 -----------> Quotient

                   ------------------------------------

          9           245

                        18                           (subtract it)

                   -------------------------

                          65

                          63              (subtract it)

                ----------------------------

                            2 -----------> remainder

She can make 27 bags

2 pieces of candy is left over

                       

8 0
3 years ago
Read 2 more answers
What is the product of 0.4 and 0.09 =
alex41 [277]

Answer:

0.036

Step-by-step explanation:

0.4 × 0.09 = 0.036


Hope this helps! Please mark brainliest! Have a great day!



Thank you for using Brainly!

5 0
3 years ago
Read 2 more answers
Help
kari74 [83]
V = s/t => average speed = 39,1/2,06= about 19 mi/hr, i guess
6 0
3 years ago
Inside the box of every cereal box contains a surprise gift. The store manager assures employees that 22 of the 45 boxes on the
kherson [118]

Answer:

0.2333 = 23.33% probability that both of them have the secret decoder ring

Step-by-step explanation:

The cereals are chosen without replacement, which means that the hypergeometric distribution is used to solve this question.

Hypergeometric distribution:

The probability of x successes is given by the following formula:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}

In which:

x is the number of successes.

N is the size of the population.

n is the size of the sample.

k is the total number of desired outcomes.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

In this question:

45 boxes, which means that N = 45

22 have the secret decoder ring, which means that k = 22

Two boxes, which means that n = 2

What is the probability that both of them have the secret decoder ring?

This is P(X = 2). So

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}

P(X = 2) = h(2,45,2,22) = \frac{C_{22,2}*C_{23,0}}{C_{45,2}} = 0.2333

0.2333 = 23.33% probability that both of them have the secret decoder ring

8 0
3 years ago
Please no random letters or false answers:
ruslelena [56]

Answer:  approximately <u>188.07</u> feet

======================================================

Explanation:

Refer to the diagram below. Note that the 62 degree angle is from the fact that 90-28 = 62.

With the reference angle 62 degrees in mind, we have an unknown opposite side x feet and a known adjacent side 100 feet.

Use the tangent trig ratio to tie the two sides together, and then solve for x.

tan(angle) = opposite/adjacent

tan(62) = x/100

100*tan(62) = x

x = 100*tan(62)

x = 188.072646534633 approximately

x = 188.07 feet approximately

Your calculator needs to be in degree mode. One way to check is to compute something like tan(45) and the result should be 1.

6 0
3 years ago
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