7 п 6 S y 4 3 2 4 ·10 Average rate of change = Number 6 Estimate the average rate of change from z = 3 to z = 7. N Enter your estimate as a decimal number (not as a fraction), rounded to one decimal place. Submit Assignment 8 Quit & Save Back Question Menu -
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- Your hypothesis test for a proportion has a right-tailed critical region. The test statistic is zz = 1.84. Find the p-value accurate to 2 decimal places.Incidence rate in the last influenza epidemic was found to be 50 per thousand (5%) of the population exposed. What should be the size of sample to find incidence rate in the current epidemic if allowable error is 0.005 and 0.01?85% CI around sample mean of decrease in diastolic pressure of those who took the drug Those who took drug =1 Find n, PE, t, SE, ME, & interval.
- Incidence rate in the last influenza epidermic was found to be 50 per thousand (5) of the population exposed. What should be the size of a sample to find incidence rate in the current epidemic if allowable error is 0.005 and 0.01?You want to obtain a sample to estimate the proportion of a population that possess a particular genetic marker. Based on previous evidence, you believe approximately p∗=37%p∗=37% of the population have the genetic marker. You would like to be 95% confident that your estimate is within 5% of the true population proportion. How large of a sample size is required?n = Do not round mid-calculation. However, you may use a critical value accurate to three decimal places.new procedure for the rapid determination of sulfur in kerosene was tested on a sample known for its method of preparation to contain 0.123% S (µo = 0.123% S). the result for % S were 0.112, 0.118, 0.115 and 0.119. T critical = 5.84. determine what data says about procedure
- Total plasma volume is important in determining the required plasma component in blood replacement therapy for a person undergoing surgery. Plasma volume is influenced by the overall health and physical activity of an individual. Suppose that a random sample of 42 male firefighters are tested and that they have a plasma volume sample mean of x = 37.5 ml/kg (milliliters plasma per kilogram body weight). Assume that σ = 8.00 ml/kg for the distribution of blood plasma. (a)margin of error (b)What conditions are necessary for your calculations? (Select all that apply.) σ is known the distribution of weights is normal σ is unknown n is large the distribution of weights is uniformWater Consumption The Old Farmer’s Almanac stated that the average consumption of water per person per day was 123 gallons. To test the hypothesis that this figure may no longer be true, a researcher randomly selected 16 people and found that they used on average 119 gallons per day and s = 5.3. At α = 0.05, is there enough evidence to say that the Old Farmer’s Almanac figure might no longer be correct? Use the Critical Value method.Numbers are distributed average = 60 standard deviation = 5 a) Find the percentage of the distribution between the numbers x1 = 50 and x2 = 65.b) What should be the boundaries that determine 75% of the distribution in the center.
- You want to estimate the mean hourly yield for a process that manufactures a face wash. You observe the process for 100 hourly periods chosen at random, with the results x‾=42x=42 ounces per hour and s = 4. Estimate the mean hourly yield for the process and calculate the 95% margin of error.You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable estimate for the population proportion. Your would like to be 90% confident that you estimate is within 1% of the true population proportion. How large of a sample size is required? n = Do not round mid-calculation. However, use a critical value accurate to three decimal places.Probability of event after x hours is 0.74e-0.5x + 0.25e-0.25x Find mean, variance and quartiles of waiting times