Question 10 Claim: The average career length for an NFL player is 3.8 years. A random sample of 50 revealed a mean of 3.88 years. Use the traditional method at a 7% significance level to test the claim assuming a known population standard deviation of 0.42.
Find the probability. Um A has balls numbered 1 through 8. Urn B has balls numbered 1 through 5. What is the probability that a 4 is drawn from A followed by a 2 from B?
His former car was able to travel 20.28 miles per gallon. Is Xavier getting better gas mileage in his new car?
1. Kevin took $45 with him to spend on snack for himself and his friends at the movie theater. The price for each bucket of popcorn was $4. The price of each drink was half the price of a bucket of popcorn. (a) Sketch the graph that represents the situation and label the intercepts. Use one axis to represent the number of buckets of popcorn and the other axis to represent the number of drinks. (b) Explain your graph.
9. Where is the largest angle of a triangle located? Where is the longest side of a triangle located? List the angles from largest to smallest and the sides from longest to shortest (8x-1)° (3x + 9)° (3x + 4)°
Glass cases how many gumballs are in the gumball machine one student guesses 456 counting it was determined that they were actually 408 gumballs in the machine what is the percent error of the guess
Owners of a recreation area are filling a small pond with water. They are adding water at a rate of 25 liters per minute. There are 700 liters in the pond to start. Let W represent the amount of water in the pond (in liters), and let T represent the number of minutes that water has been added. Write an equation relating W to T, and then graph your equation using the axes below.
Suppose that the number of cars manufactured at an automobile plant varies jointly as the number of workers and the time they work. If 160 workers can produce 32 cars in 2 hours, find the number of workers that can produce 66 cars in 3 hours.
