The mean annual income of certified welders is normally distributed with a mean of $50,000 and a population standard deviation of $2,000. A ship building association takes a sample of 30 certified welders and calculate a sample mean income of $48,900. The ship building association wishes to find out whether their welders earn more or less than $50,000 annually. The alternate hypothesis is that the mean is not $50,000. The level of significance is .10. What is the value of the test statistic?

My first question is what benefits do you expect to achieve from career exploration? the benefits that i expect to achieve from career exploration. for me i think the benefits of exploring many different careers are that you get exposed to more, so it's easier for you to pick which one you like best. another benefit is that you get a more first hand view of what jobs are more likely to be needed in the future and that can be factored into your consideration. my second question is what do you expect to be the most challenging parts of your career planning process? why? the most challenging parts of my career planning process is trying to get things in order and trying to write this paragraph it is confusing and, hard work. and last but not least my third question is i think the most challenging part is taking the first step and really deciding on a career you want to pursue; there are so many options and it can be hard to choose.which jobs will allow me to make a living? ; what skills does emergency medical technician emergency medical services medical » physiology require?

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