Homework Help Classof1: 424 books

Factoring the quadratic equations.Solve the following equations:

"A sample of ten ER patients was conducted to determine their average wait time and to compare this to the target wait time.  The hospital wants to make sure that patients do not wait more than 35 minutes.  Test the following hypotheses using a 95% confidence level. HO:  wait time is less than or equal to 35 minutes Ha:  wait time is greater than 35 minutes "

"1. When considering nerve impulse generation across a cell membrane, potassium ions (K+), sodium ions (Na+) and calcium ions (Ca++) are the ions most involved in this process. By definition these ions are defined as follows: a. Potassium, K+, is a monovalent anion and is the major intracellular...

"1. Find the midpoint of the line segment joining (4, 8) and (–2, –6). 2. Find the slope of the line joining the points A (–3, 2) and B (0, 4). "

What are 3 common diseases caused by bacteria? Viruses? Fungi?

"1. Rank the following: a. In order of increasing ionization energy:   Na, Cs, I, and Cl b. In order of increasing size (atomic radius):  Sn, Xe, Rb, and Sr c. In order of increasing ionic size:  Mn2+, Zn2+, Mn4+, and Fe2+ "

"The mean amount purchased by a typical customer at Churchill’s Grocery Store is $23.50 with a standard deviation of $5.00. Assume the distribution of amounts purchased follows the normal distribution. For a sample of 50 customers, answer the following questions. a. What is the likelihood...

"1. Estimate the 95% confidence interval for the proportion of the electorate that support this policy 2. Given the politician’s requirement to support the policy, use a 5% significance test to demonstrate whether or not he/she should support it. "

"The budgeting process for a Midwestern college resulted in expense forecasts for the coming year (in $ millions) of $9, $10, $11, $12, and $13. Because the actual expenses are unknown, the following respective probabilities are assigned: .3, .2, .25, .05, and .2. a.    Show the...

"The table below gives the distribution of blood types by gender in a group of 1000 individuals. Answers for parts a through f can be stated as fractions, such as 5/7, or as decimals) A person is selected at random from the group. Find the required probability. Show work for each part."

"a. Sammy superstar earns an annual salary of $2 million. In addition, he receives a bonus of $50,000 for each grand‐slam home run that he hits during a season. Find an equation that gives S, his annual salary, as a function of h, the number if grand‐slam home runs he hits. b. The owner...

"a. Construct a table showing Grey’s marginal sales per day in each state. b. If administrative duties limit Grey to only 10 selling days per month, how should they be spent to maximize commission income? c. Calculate Grey’s maximum monthly commission income. "

A small town has a population of 20,000 people.  Among these 1,000 regularly visit a popular local bar. A sample of 100 people who visit the bar is surveyed for their annual expenditures in the bar. It is found that on average each person who regularly visits the bar spends about $1500 per year...

Banner Mattress and Furniture Company wishes to study the number of credit applications received per day for the last 300 days.