Web1. What fraction is equivalent to 1 foot / 12 inches? 6 feet / 2 feet 10 feet / x inches x inches / 19 feet 5 inches / x inches 2. Which shows the proper first step in cross multiplying... WebSep 21, 2024 · The Large Sample Condition: The sample size is at least 30. Note: In some textbooks, a “large enough” sample size is defined as at least 40 but the number 30 is more commonly used. When this condition is met, it can be assumed that the sampling distribution of the sample mean is approximately normal. This assumption allows us to …
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WebMay 24, 2024 · Suppose a random sample of adult women has a sample mean height of x¯=64.3 inches, with a sample standard deviation of s=2.4 inches. Since height distribution are generally symmetric and bell-shaped, we can apply the Empirical Rule. Between what two heights are approximately 99.7% of the data? Round your answers to the nearest tenth. … WebHow to convert inches to millimeters. 1 inch is equal to 25.4 millimeters: 1″ = 25.4mm. The distance d in millimeters (mm) is equal to the distance d in inches (″) times 25.4: d (mm) … canada post how long to deliver
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WebDec 1, 2024 · For example, suppose we collect a random sample of 25 plants with the following information: Sample size n = 25; Sample mean height x = 36.5 inches; Sample standard deviation s = 18.5 inches; Here is how to find calculate the 95% confidence interval for the true population mean height: 95% Confidence Interval: 36.5 ± 1.96*(18.5/√ 25) = … WebJun 5, 2024 · Step-by-step explanation: i) the diameter of a brand of tennis balls is approximately normally distributed. ii) mean = 2.63 inches iii) standard deviation = 0.03 inches iv) random sample of 9 tennis balls v) sample mean = 2.63 inches WebThe following examples will help you to understand the conversion of inches to centimetres. Example 1: Convert 50 inches to centimetres. Solution: We know that 1 inch is equal to 2.54 centimetres. Therefore, 50 inches = 50 x 2.54 = 127 centimeters Example 2: Convert 6 inches to centimetres. Solution: 6 inches = 6 x 2.54 centimeters fisher and paykel service call