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Elodia [21]
3 years ago
9

A coin and die are tossed together. Find the Probability that

Mathematics
1 answer:
jarptica [38.1K]3 years ago
6 0

Answer:

1)0.5

2)0.25

3)0.083

Step-by-step explanation:

1 is just 3/6

2 is 3/6*1/2

3is 1/6*1/2

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emmainna [20.7K]

Answer:

Step-by-step explanation:

hello : here is an solution

8 0
3 years ago
the radius of a cylindrical construction pipe is 3 ft . If the pipe is 25ft long , what is it’s volume ?
ki77a [65]

Given:

radius of a cylindrical construction pipe is 3 ft

lenghtis 25ft long

Required:

what is it’s volume

Explanation:

volume of cylinder:

\begin{gathered} V=\pi r^2h \\  \\ here\text{ h is the length of the pipe} \\  \\ V=3.14\times(3)^2\times25 \\  \\ V=3.14\times9\times25 \\  \\ V=707\text{ ft}^3 \end{gathered}

Required answer:

V=707\text{ ft}^3

7 0
1 year ago
!!20 points!!! Determine which postulate or theorem can be used to prove that ABC = <br> DCB
maria [59]
I think the answer is A, SAS
5 0
3 years ago
Read 2 more answers
In a one-way ANOVA, what is the difference between the among-groups variance MSA and the within-groups variance MSW?
LuckyWell [14K]

Answer:

MSR=MSA=\frac{SSR}{k-1}

And MSE=MSW=\frac{SSE}{N-k}

The difference is that MSA takes incount the variation between the groups and the grand mean, and the MSW takes in count the variation within groups respect to the mean of each group .

Step-by-step explanation:

Analysis of variance (ANOVA) "is used to analyze the differences among group means in a sample".  

The sum of squares "is the sum of the square of variation, where variation is defined as the spread between each individual value and the grand mean"  

If we assume that we have j groups and on each group from j=1,\dots,j we have n_j individuals on each group we can define the following formulas of variation:  

SS_{total}=\sum_{j=1}^p \sum_{i=1}^{n_j} (x_{ij}-\bar x)^2  

SS_{between=Treatment}=SS_{model}=\sum_{j=1}^p n_j (\bar x_{j}-\bar x)^2  

SS_{within}=SS_{error}=\sum_{j=1}^p \sum_{i=1}^{n_j} (x_{ij}-\bar x_j)^2  

And we have this property  

SST=SS_{between}+SS_{within}=6750+8000=14750  

The degrees of freedom for the numerator on this case is given by df_{num}=k-1 where k  represent the number of groups.  

The degrees of freedom for the denominator on this case is given by df_{den}=df_{between}=N-k.  

And the total degrees of freedom would be df=N-1  

We can find the MSR=MSA=\frac{SSR}{k-1}

And MSE=MSW=\frac{SSE}{N-k}

The difference is that MSA takes incount the variation between the groups and the grand mean, and the MSW takes in count the variation within groups respect to the mean of each group .

And the we can find the F statistic F=\frac{MSR}{MSE}=

8 0
3 years ago
The construction cost for this road ha been estimated at $135 per linear foot. (1 mile = 5280 ft).
Mamont248 [21]
T. Pitagora twice => new street = 2\sqrt{20} = 8.94 miles;
135*8.94 = 1206.9$;
8 0
4 years ago
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