The CEO of a large financial institution claims that, on average, their clients invest more than R150 000 per year in a particular portfolio. Test this claim at the 10% significance level if it was
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.
The CEO of a large financial institution claims that, on average, their clients invest more than R150 000 per year in a particular portfolio. Test this claim at the 10% significance level if it was found that a sample of 25 clients invested an average of R145 000 in the portfolio over the last year, with a standard deviation of R15 000.
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