theme park owner wants to know if the children’s rides are favoring 10 year old girls over 10 year old boys based on height. In other words, does one group taller than the other and thus can go on more rides?

Part a: The owner gathered height data on 10 year old girls and 10 year old boys, see data below. Determine at the 5% significance level if there is evidence that the two genders are not the same height and thus cannot all go on the same rides. Show your work and give your answer in complete sentences in context of the problem.

Part b: After doing some research, the owner found the following information about the expected height and standard deviation for 10 year olds. Does that change the result of part a? Show your work and give your answer in complete sentences in context of the problem.

About 63% of the residents in a town are in favor of building a new high school. 105 residents

                 are randomly selected. What is the probability that the sample proportion in favor of building a

                 new school is less than 55%?

The following table is taken from the results of a longitudinal study of children from a working class community. The study began when these children entered kindergarten and were four or five years old. The information reported below was collected when the respondents were 18.

Using the information from the table below, answer the following questions:

Started fight before the age of 15

χ² = 15.9; p <.05

1. What percentage of boys started fights before the age of 15?
2. How many girls responded that they did not start fights before age of 15?
3. Are the proportions of children who started fights similar or different for boys and girls? If yes how are they similar? If no, how are they different?
4. Are these variables significantly related? Indicate the statistical information you used to make your decision.
5. What are the social work interventions of these findings?

i)describe how and why land reform was undertaken in latin america and explain how and why it failed or succeeded to improve the lot of peasants in the region. how has reform been put into reverse since the 1990s ? use examples to illustrate your answer

ii) what does impunity means and how have latin america activists and government tried to end impunity ? to what degree have they been successful ? use examples to illustrate your answer.

1. Distinguish between the different subtypes of ADHD and explain. ?

2. Discuss the behavioral differences in boys and girls with ADHD that have been found in clinical samples.

A moving company has a truck filled for deliveries to eight different sites. If the order of the deliveries is randomly? selected, what is the probability that it is the shortest?route?

Assuming boys and girls are equally? likely, find the probability of a couple having a baby girl when their sixth child is? born, given that the first five children were all girls.

Suppose that a class contains 15 boys and 30 girls, and that 10 students are to be selected at random for a special assignment. Find the probability that exactly 3 boys will be selected.

I need explanation and calculation, the calculation and explanation should equal atleast 300 words, nothing less and nothing irrelevant please, otherwise i will give thumbs down

List the normal pair of sex chromosomes, and possible sex chromosome aneuploidy for male and female, respectively. And then briefly explain the possible mechanism of XY girls and XX boys.