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In the rolling of two fair dice calculate the following:

In the rolling of two fair dice calculate the following: P(Sum of the two dice is 8)= . P(Sum of the two dice is 4)=. P(Sum of the two dice is not 9)= . P(Sum of the two dice is 6 or 5)= . P(Sum of th… read more

22. What is the power of each of the following studies, using

22. What is the power of each of the following studies, using a t test for dependent means (based on the .05 significance level)? Effect Size N Tails (a) Small 50 Two (b) Medium 50 Two (c) Large 50 Tw… read more

When a researcher is determining if two groups are statistically

When a researcher is determining if two groups are statistically significant, he or she is considering the two groups as two separate populations and the question is whether or not the two different p… read more

How do you recognize a situation where you need to use a two-sample

How do you recognize a situation where you need to use a two-sample test? Give a unique example of a two sample test for proportion or mean. Make sure to detail why only a two sample test would suffic… read more

the t test for two independent samples has degrees of freedom

the t test for two independent samples has degrees of freedom equal to the Answer 1. two sample sizes combined 2. two sample sizes combined minus one 3. two sample sizes combined minus two 4. two samp… read more

The null hypothesis for the chi-square test for independence

The null hypothesis for the chi-square test for independence states that : a. therer is a relationship between the two variables b. there is no relationship between the two variables c. both variables… read more

Use the discriminant to determine whether the following equations

Use the discriminant to determine whether the following equations have solutions that are: two different rational solutions; two different irrational solutions; exactly one rational solution; or two d… read more

I know dependency is a characteristic of a pair of lines.

I know dependency is a characteristic of a pair of lines. Two lines are either dependent or independent. Consistency on the other hand, is a characteristic of a system. A system is either consistent o… read more

Under what conditions can the phi-coefficient be used to measure

Under what conditions can the phi-coefficient be used to measure effect size for a chi-square test for independence? 1. When both variables consist of exactly two categories 2. When both variables con… read more

Post your 50-word response to the following How can you

Post your 50-word response to the following: • How can you determine, by the slope, if two lines are perpendicular? Include two equations of perpendicular lines. • How can you determine, by the slope,… read more

In order to test the effectiveness of a drug called XZR designed

In order to test the effectiveness of a drug called XZR designed to reduce cholesterol levels, 9 heart patients' cholesterol levels are measured before they are given the drug. The same 9 patients use… read more

the sum of two numbers is 46. the smaller number is 14 less

the sum of two numbers is 46. the smaller number is XXXXX less than the larger number. what are the numbers?… read more

two men and two women want to sail to an island but the boat

two men and two women want to sail to an island but the boat can only take one man or two women at a time how can all four get to the island… read more

1.) A ___________ is a piece of line with two endpoints.

1.) A ___________ is a piece of line with two endpoints. line line segment ray 2.) A ___________ has location, but no size and no area. point ray line segment 3.) A _______ is a half line, with an end… read more

A child rolls a 6-sided die 6 times. What is the probability

A child rolls a 6-sided die 6 times. What is the probability of the child rolling no more than three twos?… read more

Write the number preceding and succeeding each of the following. (a)

Write the number preceding and succeeding each of the following. (a) EET twelve ______________ ________________ (b) 10011 two ______________ ________________… read more

how do you prove that that two triangles are not congruant

how do you prove that that two triangles are not congruant that have 2 sudes and 2 angles that are congruant… read more

Explain the difference between testing a single mean and ...

Explain the difference between testing a single mean and testing the difference between two means. What two assumptions must be met when one is using z test to test differences between two means? When… read more

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