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blsea [12.9K]
4 years ago
9

Volume and area question!-please help me answer it

Mathematics
1 answer:
aleksklad [387]4 years ago
4 0

Answer:

72 for q1 and q2 is 18

Step-by-step explanation:

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A film distribution manager calculates that 4% of the films released are flops. If the manager is correct, what is the probabili
Anit [1.1K]

Answer:

9.34%

Step-by-step explanation:

p = 4%, or 0.04

n = Sample size = 667

u = Expected value = n * p = 667 * 0.04 = 26.68

SD = Standard deviation = \sqrt{np(1-p)}  =\sqrt{667*0.04*(1-0.04)} = 5.06

Now, the question is if the manager is correct, what is the probability that the proportion of flops in a sample of 667 released films would be greater than 5%?

This statement implies that the p-vlaue of Z when X = 5% * 667 = 33.35

Since,

Z = (X - u) / SD

We have;

Z = (33.35 - 26.68) / 5.06

Z = 1.32

From the Z-table, the p-value of 1.32 is 0.9066

1 - 0.9066 = 0.0934, or 9.34%

Therefore, the probability that the proportion of flops in a sample of 667 released films would be greater than 5% is 9.34%.

6 0
3 years ago
(m + n^2)(m^2 - mn^2 + n^4) = find the product of the expression.Show your work.
hram777 [196]
Final Answer is 4n-32/(n-4)(n+4)
3 0
3 years ago
Please show picture 6×(3+2) divided by 10 ??? Please show picture
Mumz [18]
:) There's no picture but I can solve this for you :)

Do PEMDAS

Parentheses
Equations
Multiplication 
Division 
Addition
Subtraction 

\frac{6(3+2)}{10} \\  \\ 3 + 2  =5,right?  \\  \\ \frac{6(5)}{10} \\ \\  6(5)= 30,right ?  \\ \\  \frac{30}{10}  = 3,right \\ \\ \\ \\  Answer: 3

Good luck on your assignment and enjoy your day! 

                                              ~MeIsKaitlyn:)
5 0
3 years ago
Sasha has just gotten a new job in a nearby city. After comparison shopping, she found that renting a nice two-bedroom apartment
lina2011 [118]

Answer:

Sasha’s down payment will likely be less if she decided to buy.

8 1
3 years ago
The probability of a train arriving on time and leaving on time is 0.8. The probability of the same train arriving on time is 0.
lys-0071 [83]
To help you with this topic, I would suggest you revise probability trees.

P(train arriving) = 0.8
P(train arriving on time) = 0.84
P(train arriving late) = 0.86

0.8 x 0.86 = 0.688

Answer: 0.688

Hope it helped :)
8 0
3 years ago
Read 2 more answers
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