1. Suppose we have a good whose quantity supplied changed from 100 to 120 units when the price increased from $10 to $12 per unit. Compute the price elasticity of supply using the midpoint method Question solved general 5 months ago 2093
An electrical company manufactures batteries that have a duration that is distributed approximately normally, with a mean of 700 hours and a standard deviation of 40 hours. Find the probability that a randomly selected battery has an average life of less than 810 hours. Question solved general 5 months ago 728
Moaz wanted to test whether the level of headache pain (on a scale of 1 – 10) changes after taking Advil. He collected data from 9 participants and calculated the difference in headache pain before and after taking Advil (summarized in the table below). Determine W observed for this test. Difference Scores -2 -4 0 +1 +3 -2 0 -3 -5 Also, What is the degrees of freedom for this test? Question solved general 5 months ago 2644
Serum cholesterol levels in men aged 18 to 24 years have a normal distribution with a mean 178.1mg/100 ml and standard deviation 40.7 mg/100 ml. The. Randomly choosing a man between 18 and 24 years old, determine the probability of your serum cholesterol level is less than 200. B. Whether a serum cholesterol level should be judged too high if it is above 7% higher, determine the value of the separation level of levels that are too high. w. Determine a 90% reference range for serum cholesterol level among men from 18 to 24 years old. Question solved general 5 months ago 1077
The data set (75, 85, 58, 72, 70, 75) is a random sample from the normal distribution No(µ, σ). Determine a 95% two-sided confidence interval for the mean µ . Question solved general 5 months ago 156
6. Among 100 of products there are 20 rejects. We will randomly select 10 of products. The random variable X indicates the number of rejects among the selected products. Determine its distribution. Question solved general 5 months ago 2890
A juice shop prepares assorted juices, for their juices they have 5 different types of fruit. How many types of assortments can be prepared in total, if it is considered an assortment to a juice made with two or more fruits? Question solved general 5 months ago 2957
The bus one way of the road which is 10km is heading with speed of 20km/h ,then the bus the other 10km is heading with speed of 60km/h. The middle speed of the road is it equal with arithmetic speed of the v1 and v2 ? Question solved general 5 months ago 1838
30. In 8 s, a car that starts from rest and moves with uniformly accelerated motion has achieved a speed of 72m/s. How much space must it travel to reach a speed of 90m/s? Sunshine: 450 m Question solved general 5 months ago 2233
A.) what will your monthly mortgage payment be due not round any intermediate computations B.) Assuming you take full term of mortgage how much total interest will you have paid? 380,000 is the price of the house mortgage rate is 5.8% terms of mortgage is 30 years Question solved general 5 months ago 2557
Consider a group made up of five friends aged 13, 13, 14, 15 and 15 years old. What happens to the average age of this group if a sixth friend who is 8 years old joins the group? Question solved general 5 months ago 278
Consider a market determined by the following supply and demand curves: 1. P=2Q 2. P=100-2Q Determine the agents' surpluses and calculate the social surplus. Question solved general 5 months ago 792
The standard deviation of test scores on a certain achievement test is 10.8. A random sample of 150 scores on this test had a mean of 71.7. Based on this sample, find a 90% confidence interval for the true mean of all scores. Then give its lower limit and upper limit. Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place. Find the lower limit and upper limit Question solved general 5 months ago 2648