Joan wants to estimate the average number of people who purchase breakfast on flights between two cities. She decides to randomly select 10 flights from all available data in the past year and use all the purchasing records from these flights in order to estimate the average What type of sampling is Joan using?
a. Systematic sampling
b. Convenience sampling
c. Cluster sampling
d. Stratified sampling

this is a very good question

step-by-step explanation:

i got a hair cut today from my mom not to flex just to flex kim jon un is one rad fellow i'd say you'd need to take the hairline in kinda like a box shape like someone rammed a lego brick into your head. from there you really need to take the top up keeping with that boxy aesthetic, finally coat the whole thing with gel if your country economics are failing or whatever you can just coat it with the starving children's food rations. about 5 orphans per strand is a good ratio. good luck with the fresh cut my dude

step-by-step explanation:

ok so im not 100% sure but you would start by adding 5.1t and 1.9t beacuse they have the same variable. that is 7t.   then add -3.6 + 1.2 which is -2.4

so then keep that as -2.4 + 7t. i apologize if this is incorrect. best luck on your test < 3

2 pecks

step-by-step explanation:

the answer is -6

step-by-step explanation:

the answer is -6 because its next to the variable m