In a survey, 45% of the respondents stated that they talk to their pets on the telephone. A veterinarian believed this result to be too high, so he randomly selected 240 pet owners and discovered that 104 of them spoke to their pet on the telephone. Does the veterinarian have a right to be skeptical? Use the a = 0.01 level of significance. Because npo (1 - Po) = 59.4 > 10, the sample size is less than 5% of the population size, and the sample is given to be random, the requirements for testing the hypothesis (Round to one decimal place as needed.) are satisfied. What are the null and alternative hypotheses? = 0.45 versus H,: p < 0.45 (Type integers or decimals. Do not round.) Họ: P Find the test statistic, zo- Zo = -0.52 (Round to two decimal places as needed.) Find the P-value. 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.