In a previous year, 59% of females aged 15 and older lived alone. A sociologist tests whether this percentage is different today by conducting a random sample of 450 females aged 15 and older and finds that 258 are living alone. Is there sufficient evidence at the a = 0.1 level of significance to conclude the proportion has changed? Because npo (1- pPo) = 108.9 > 10, the sample size is hypothesis less than 5% of the population size, and the sample is given to be random, the requirements for testing the are satisfied, (Round to one decimal place as needed.) Identify the null and alternative hypotheses for this test. Họ: P (Type integers or decimals. Do not round.) 0.59 versus H,: P * 0.59 Find the test statistic for this hypothesis test. Zo = -0.72 (Round to two decimal places as needed.) Determine the P-value for this hypothesis test. P-value = |(Round to three decimal places as needed.)

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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.