A financial analyst daims that 19% make all purchases with cash, 17% make most purchases with cash, 20% make half of purchases with cash, 33% make some purchases with cash and 11% make no purchases with cash. You take a random selection to see if you can condude that the distribution is different than what the financial analyst daims. Use a 5% significance to decide and round to the fourth. Expected Frequency Frequency Observed Categories All Cash 27 Most Cash 102 Half Cash 118 Some Cash 188 No Cash 102 Test Statistic: Degrees of Freedom: p-val: Decision Rule: Select an answer Did something significant happen? Select an answer There Select an answer v enough evidence to condude Select an answer
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.
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