subject
Mathematics, 28.06.2019 10:20 qxchung7310

Based on faa estimates the average age of the fleets of the 10 largest u. s. commercial passenger carriers is 13.4 years with a standard deviation of 1.7 years. suppose that 40 airplanes were randomly selected from the fleets of these 10 carriers and were inspected for cracks in these airplanes that are considered too large for flying. what is the probability that the average age of these 40 airplanes is at least 14 years old

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 17:10
Complete the table for different values of x in the polynomial expression -7x2 + 32x + 240. then, determine the optimal price that the taco truck should sell its tacos for. assume whole dollar amounts for the tacos.
Answers: 2
question
Mathematics, 21.06.2019 21:30
Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park is the cost of admission proportional to the amount of people entering the amusement park? explain.
Answers: 2
question
Mathematics, 21.06.2019 23:30
The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy.how much will she pay after the discount
Answers: 1
question
Mathematics, 22.06.2019 00:00
Abowl contained 270 starbursts of all different colors. if the probability of picking a yellow is 1/9, then how many yellow starbursts are in the bowl ? ?
Answers: 1
You know the right answer?
Based on faa estimates the average age of the fleets of the 10 largest u. s. commercial passenger ca...
Questions
question
Arts, 14.06.2021 16:10
Questions on the website: 13722367