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likoan [24]
2 years ago
10

Kim surveyed the students at her school to find out if they like hotdogs and/or burgers. The table below shows the results of th

e survey:
Like Hotdogs

Do Not Like Hotdogs

Total

Like Burgers

32

49

81

Do Not Like Burgers

44

25

69

Total

76

74

150



If a student likes hotdogs, what is the probability that student also likes burgers?
93.8%
50.7%
42.1%
39.5%
Mathematics
2 answers:
Nimfa-mama [501]2 years ago
4 0

Answer:

like burgers with the wrong total of 76/150 is 50.7%

do not like burgers with also the wrong total of 74/150 is 50% simplified

now with the right totals its 54% for liking burgers and 46% for not liking

Step-by-step explanation: 32 + 49 + 81 = 162

                                           44 + 25 + 69 = 138

right total (162) wrong total (76)

right total (138) wrong total (74)

right (300) wrong (150)

unless u simplified by 2 which is 150/300 then its right simplified

so im confused but this is my answer

Alex17521 [72]2 years ago
4 0
150/300 is my answer
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Find the distance between<br> (-3,5) and (4,-2)
Westkost [7]

Answer:

7√2 or approx. 9.89949

Step-by-step explanation:

distance between two points is

d=√(∆x^2+∆y^2)

where...

d is distance

∆x is change in x value

and ∆y is change in y value

In this problem ∆x=(-3)-4=(-7)

∆y=5-(-2)=7

plugging in those values gives us

d=√((-7)^2+7^2)

Solving this expression gives us

d=√(49+49)=√98

After simplifying the radical we are left with 7√2 or about 9.89949.

3 0
3 years ago
A density graph for all of the possible times from 50 seconds to 300 seconds
vazorg [7]

Answer: D. The probability of a time from 75 seconds to 250 seconds.

Step-by-step explanation:

We know that a density curve graph for all of the possible values  from a  to b can be used to find the the probability of the values from a to b .

Given: A density graph for all of the possible times from 50 seconds to 300 seconds.

Then it can be used to find the the probability of a time in the range from 50 seconds to 300 seconds.

From all the given option only option D gives the interval which is lies in the above range.

i.e A density graph for all of the possible times from 50 seconds to 300 seconds can be used to determine the probability of a time from 75 seconds to 250 seconds.

8 0
2 years ago
What is the diameter of a sphere with a volume of 498 in3, to the nearest tenth of an inch
Romashka-Z-Leto [24]

Answer:

9.8 inches

Step-by-step explanation:

<h3>Formula for volume of the sphere is = 4/3πr³</h3><h3>Form and solve the equation for the radius</h3><h3>So: 4/3πr³= 498in³</h3><h3>πr³= 498in³*3/4 which = to 373.5in³</h3><h3>r³= 373.5in³/π</h3><h3>r=∛(373.5in³/π)</h3><h3>calculate r and times the result by 2 for diameter</h3><h3>it will be 9.834...</h3><h3>nearest tenth of an inch means the accuracy is 1 decimal place because nearest tenth= 1/10 or 0.1</h3><h3>So the final answer is 9.8in</h3>
3 0
3 years ago
Psychologists in Montreal and Toronto conducted a study to determine if babies show any preference for speech over general noise
Lostsunrise [7]

Answer:

H0 : μ1 - μ2 = 0

H1: : μ1 - μ2 ≠ 0

we reject the Null and we conclude that babies prefer actual speaking to humming.

Step-by-step explanation:

H0 : μ1 - μ2 = 0

H1: : μ1 - μ2 ≠ 0

Mean difference, d = 27.79

Standard deviation of difference, Sd = 63.18

Sample size, n = 50

The test statistic :

d / (Sd / √n)

Test statistic :

27.79 / (63.18 / √50)

27.79 / 8.9350012

= 3.11

Using the Test statistic score, we can obtain the Pvalue

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Pvalue is very low

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8 0
3 years ago
Help please I don’t understand
Juli2301 [7.4K]
Could we get a little bit more in detail
6 0
3 years ago
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