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likoan [24]
3 years ago
14

40% of OatyPop cereal boxes contain a prize. Hannah plans to keep buying cereal until she gets a prize. What is the probability

that Hannah only has to buy 3 or less boxes before getting a prize? We need to design a simulation. Which random device ca we use to BEST represent this situation?
Mathematics
2 answers:
MrRissso [65]3 years ago
5 0

Answer:

She has a 88.4% chance to win.

To determine if she will win, you can use a spinner or a random number generator. Make 40% success and 60% unsuccessful.

Step-by-step explanation:

In order to determine whether she will win in 3 boxes or less, note that there is a 60% chance she will lose each time. To find the chance of her losing 3 times in a row, multiply 60% by itself 3 times.

60% * 60% * 60% = 21.6%

Now to find the amount of chance that she wins before this, subtract this number form 100%

100% - 21.6% = 88.4%

AnnZ [28]3 years ago
4 0

Answer: Use a random number generator ranging from 1 to 10 and assign 1 through 4 as the prize and 5 through 10 as no prize.


Step-by-step explanation:

I just did the i-ready lesson, here you go mate! ^-^

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tekilochka [14]
B. 11.0 cm, since the area of a square is x^2. 11.0 x 11.0 is 121. So that means one of the sides is 11.0
5 0
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1. In which table is y not a function of x? <br> please help!!
Hatshy [7]

Answer:

D

Step-by-step explanation:

because All Of The Value Of X Is The Same

5 0
3 years ago
Tony worked 4 2/3 hours on his science project. Sonia worked 1 1/4 times as long on her science project as Tony did.For how many
kherson [118]
To find how many hours Sonia work on her science project,we can multiply the working hours of Tony by the times Sonia did:

4 \frac{2}{3}  \times 1 \frac{1}{4}  \\  =  \frac{14}{3}  \times  \frac{5}{4}  \\  =  \frac{70}{12}  \\  = 5 \frac{10}{12}  \\  = 5 \frac{5}{6}
Therefore Sonia work on her science project for 5 5/6 hours.

Hope it helps!
7 0
3 years ago
the ticket prices for a movie cost $7.25 foe adults and $5.50 for students. if a group of friends purchased 8 tickets for $52.75
olganol [36]

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5 0
3 years ago
Mr. Johnson hired a contractor to build a small deck on the back of his house. The cost of materials alone added to $678.12. Whe
raketka [301]

Answer:

Yes, the bill is absolutely accurate

Step-by-step explanation:

Cost of materials= $ 678.12

Final  bill amount(given)=$1206.12

Rate= $32 per hour for 16.5 hrs

Total amount for 32 hrs = time * rate = 16.5* 32=$528

Therefore, by the problem ,

<em>Cost of materials+ Total amount  for 32 hrs = Final bill amount</em>

= 678.12+ 528

=1206.12

<u>Therefore , the final bill amount is 100% accurate as it completely matches with the given bill amount</u>

4 0
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