18-23 yr 10 Person's Age 24-29 yr 16 Movie 30-35 yr Row Total Drama Science Fiction Comedy Column Total 34 30 29 93 8. 10 13 31 11 10 29 6 33 (a) What is the level of significance? State the null and alternate hypotheses. O Hạ: Age and movie preference are not independent. Hạ: Age and movie preference are independent. O H: Age and movie preference are independent. H,: Age and movie preference are independent. O Hg: Age and movie preference are not independent. H: Age and movie preference are not independent. O Hạ: Age and movie preference are independent. H: Age and movie preference are not independent. (b) Find the value of the chi-square statistic for the sample. (Round the expected frequencies to at least three decimal places. Round the test statistic to three decimal places.) Are all the expected frequencies greater than S5? O Yes O No What sampling distribution will you use? O binomial O uniform O normal O Student's t O chi-square What are the degrees of freedom? (c) Find or estimate the P-value of the sample test statistic. O P-value > 0.100 O 0.050 < p-value < 0.100

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Unitary Method

The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products. 

Speed, Time, and Distance

Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.

Profit and Loss

The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.

Units and Measurements

Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.