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Questions:
1. What do we mean when we say a test is significant? Does this necessarily mean the results are important?
2. All other conditions being equal, does a z ort value with larger magnitude have a larger or smaller corresponding P-value?Before you solve each problem below, first categorize it by answering the following question: Are we testing a single mean or a single proportion?
3. Professor Jennings claims that only 35% of the students at Flora College work while attending school. Dean Renata thinks that the professor has underestimated the number of students with part-time or full-time jobs. A random sample of 81 students shows that 39 have jobs. Do the data indicate that more than 35% of the students have jobs? (Use a 5% level of significance.)
4. The Nero Match Company sells matchboxes that are supposed to have an average of 40 matches per box, with ó =9. A random sample of 94 Nero matchboxes shows the average number of matches per box to be 43.1. Using 1% level of significance, can you say that the average number of matches per box is more than 40?
Sung rented a truck for one day. There was a base fee of $16.95 , and there was an additional charge of 89 cents for each mile driven. Sung had to pay $151.34 when he returned the truck. For how many miles did he drive the truck?
the price of a garment is reduced by 20 and further by 10. nidhi got another 5 discount for detecting a defective
chelseas last seven test scores are 89 95 80 93 89 86 and 92. she has one more test before the end of the grading
a simple random sample of size n is drawn from a population that is normally distributed. the sample mean is found to
find critical points end points local extrema and global extrema.for the functionnbspnbsp fx fx x3-3x2nbspnbsp
Determining the dimensions of a rectangle of maximum area that is formed by x- axis and a semi circle - What length and width should the rectangle have so that its area is a maximum?
Find a Linear Function that F that expresses temperature Fahrenheit scale in terms of degrees Celsius C.
from an airplane janara looked down to see a city. if she looked down at an angle of 9 degrees and the airplane was
A function of two variables f(x,y) is integrated over the square [0,2] x [-1,1]. ex: integral from 0 to 2 , integral from -1 to 1 f(x,y) dx dy. (I wanted to input integral symbols there but didn't know how).
Audrey's 300-mile trip took six hours to complete. Find the ratio of average speed.
Find exact coordinates of the centroid of the region in the first quadrant bounded by the given curves.
Fenton and Farrah Friendly, husband-and-wife car dealers, are soon going to open a new dealership
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