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MrRa [10]
3 years ago
8

When Victoria goes bowling, her scores are normally distributed with a mean of 130

Mathematics
1 answer:
Artemon [7]3 years ago
5 0

Answer:

0.2377 or about a 23.77% chance

Step-by-step explanation:

P(123<X<130) = normalcdf(123,130,130,11) = 0.2377303466 ≈ 0.2377

Therefore, the probability that the next game Victoria bowls, her score will be  between 123 and 130 is 0.2377 or about a 23.77% chance

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Mrs. Benson has graded 46 math assignments but has 80% of the assignments left to grade. Mrs. Benson has how many math assignmen
timofeeve [1]

Mrs. Benson has 184 math assignments left to grade.

<u>Step-by-step explanation:</u>

Here we have , Mrs. Benson has graded 46 math assignments but has 80% of the assignments left to grade.We need to find Mrs. Benson has how many math assignments left to grade. Let's find out:

Let total Number of math assignments be x , So According to question 46 math assignments are graded & 80% are left i.e.

⇒ x = 46+\frac{80x}{100}

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A clown bought 5 bags of round balloons with 24 balloons in each bag. The clown also bought 3 bags of long balloons with 36 ball
dimaraw [331]

Answer:

247 blown up balloon left

Step-by-step explanation:

5 bags of round balloon with 24 balloon in each bag =

                                  = 5 x 24 = 120 round balloons

3 bags of long balloon with 36 balloon in each bag =

                                   = 3 x 36 = 108 long balloons

Part 1 Answer

120 round balloons -  108 long balloon = 12 balloons

therefore the clown bought 12 more round balloon than long balloon

 

Part 2

3 bags of heart-shaped balloons with 14 balloons in each bag =

                                    = 3 x 14= 42 heart-shaped balloons

All the balloons were blown which equals

120 round balloons + 108 long balloons + 42 heart-shaped balloons =

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23 balloons out of the 270 balloons burst which equals

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247 blown-up balloons were left

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