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Natasha_Volkova [10]
3 years ago
8

A chi-square test was conducted to investigate whether there is an association between a person's favorite flavor of ice cream a

nd their favorite toppings. Each of 200 randomly selected customers at an ice cream parlor was asked to pick their favorite flavor from vanilla, chocolate, chocolate chip, or none of these. They were also asked to pick their favorite topping from chocolate sauce, peanuts, crumbled cookies, crushed candies, or none of these. The hypothesis test had a test statistic of 24.97 with an associated p-value of 0.015. If the significance level of the test was a = 0.05, which of the following is the correct decision for this hypothesis test?
A. There is not convincing statistical evidence to suggest an association between favorite ice cream flavor and favorite topping.
B. There is convincing statistical evidence to suggest an association between favorite ice cream flavor and favorite topping.
C. There is convincing statistical evidence to suggest there is not an association between favorite ice cream flavor and favorite topping.
D. There is proof that a person's favorite ice cream topping is dependent on the person's favorite ice cream flavor.
E. There is proof that a person's favorite ice cream topping is independent of the person's favorite ice cream flavor.
Mathematics
2 answers:
defon3 years ago
8 0

Answer:

The answer is definitely B

Step-by-step explanation:

I just did this question on my test.

OleMash [197]3 years ago
5 0

Answer:

B

Step-by-step explanation:

I hope it is correct :)

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School bus has 12 rows of seats and 4 students can be seated in each row.How many students are riding the bus if 11 rows are fil
timofeeve [1]

You do 11•4 which =44 for the 11 rows fully filled and then there’s only one row left and there is only 2 students sitting there so you add 44+2=46 kids on the bus.

6 0
3 years ago
X÷3 - 9 = 0 what is the value of x
andre [41]

Answer:

27.

Step-by-step explanation:

x/3 −9=0 Step 1: Simplify both sides of the equation. x/3 −9=0 1/3 x+−9=0 1/3 x−9=0 Step 2: Add 9 to both sides. 1/3 x−9+9=0+9 1/3 x=9 Step 3: Multiply both sides by 3. 3*( 1/3 x)=(3)*(9) x=27

3 0
3 years ago
Julisa wants to find the perimeter of her bedroom that is similar to her brothers . If her brothers bedroom is 12ft long and 10f
IrinaK [193]

Answer:

The perimeter of her bedroom is 36.67 ft.

Step-by-step explanation:

Julisa's bedroom is similar to her brother's bedroom.

If the width of her bedroom is w and the length is l and her brother's room has width W and length L, then

\frac{w}{W} = \frac{l}{L} ............. (1)

Now, the dimensions of her brother's bedroom are given by 12 ft long by 10 ft wide and her bedroom has length 10 ft.

Then, from equation (1) we get,

\frac{w}{10} = \frac{10}{12}

⇒ w = 8.33 ft.

Therefore, the perimeter of her bedroom is 2(8.33 + 10) = 36.67 ft. (Approximate) (Answer)

7 0
4 years ago
Solve for x in the triangle,round your answer to the nearest tenth
Nuetrik [128]
Cosine = adjacent / hypotenuse

cos (49)= x/27
27 * cos(49) = x
27 * 0.656 = x
x = 17.7
5 0
3 years ago
Please help i dont understand this
nlexa [21]

Answer:

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a = 7

b= –5

c = 2

3 0
3 years ago
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