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gulaghasi [49]
4 years ago
13

One hundred and fifty people were asked whether they liked to see comedies or dramas and whether or not they buy popcorn for the

movie. Out of 90 people that liked comedies, 75 said they buy popcorn. There were 40 people who said they do not buy popcorn. Recreate the two-way table below on your own paper to summarize the data. Then answer the question below.
How many people like to see dramas but do not buy popcorn?

A.
150 people

B.
15 people

C.
25 people

D.
75 people
Mathematics
1 answer:
Colt1911 [192]4 years ago
4 0

Answer: 15

Step-by-step explanation:

subtract 75 from 90 to get 15. those 15 people belong to the group who likes drama but are not buying popcorn. 150-90=60 which is how many people like dramas.

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Find the width of a rectangle 25 feet and the perimeter is 80​
lukranit [14]

\huge\underline{\red{A}\blue{n}\pink{s}\purple{w}\orange{e}\green{r} -}

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  • To calculate - <u>width </u><u>of </u><u>the </u><u>rectangle</u>

We know that ,

\bold{Perimeter \: of \: rectangle = 2(l + b)} \\

where <u>b </u><u>=</u><u> </u><u>width </u><u>/</u><u> </u><u>breadth</u> of rectangle

‎ ‎ ‎

<u>substituting</u><u> </u><u>the </u><u>values </u><u>in </u><u>the </u><u>formula </u><u>stated </u><u>above </u><u>,</u>

\bold{80  = 2(25 + b)} \\  \\\bold{ \implies \: 25 + b = \cancel \frac{80}{2} } \\  \\ \bold{\implies \: 25 + b = 40 }\\  \\ \bold{\implies \: b = 40 - 25 }\\  \\\bold{ \implies \: b = 15 \: feet}

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3 0
2 years ago
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A manufacturer of cream filled donuts collected data from its automatic filling process, the amount of cream inserted into the d
fenix001 [56]

Answer:

The correct value is t* = 2.797.

Step-by-step explanation:

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 25 - 1 = 24

99% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 24 degrees of freedom(y-axis) and a  two-tailed confidence level of 1 - \frac{1 - 0.99}{2} = 0.995. So we have T = 2.797.

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6. Find average of the following<br> expressions (4-2x), (-7-3x), and<br> (11x+6)
svetoff [14.1K]

Answer:

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