Mathematics, 02.12.2020 16:20 jeanieb
A tire manufacturer advertises that their brand of radial tires has a mean life of 40,000 miles with a population standard deviation of 1,500 miles. A consumer research team decides to investigate this claim after receiving several complaints from people who believe the advertisement is false and that the mean life of 40,000 miles is too high. The research team tests 100 of these radial tires and obtains a sample mean tire life of 39,750 miles. Is the advertisement legitimate
Answers: 1
Mathematics, 21.06.2019 19:00
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Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?
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Mathematics, 21.06.2019 22:00
The table below lists recommended amounts of food to order for 10 party guests. how much of each food item should nathan and amanda order for a graduation party with 55 guests? use the table to answer. item amount fried chicken 16 pieces lasagna 7 pounds deli meats 1.8 pounds sliced cheese 1 and two fifths pounds bakery buns 1 dozen potato salad 2 pounds
Answers: 3
A tire manufacturer advertises that their brand of radial tires has a mean life of 40,000 miles with...
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