Acomputer manufacturer estimates that its cheapest screens will last less than 2.8 years. a random sample of 61 of these screens has a mean life of 2.4 years. the population is normally distributed with a population standard deviation of 0.88 years. at α=0.02, what type of test is this and can you reject the organization’s claim using the test statistic?

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it

answer: what is the conflict?

step-by-step explanation:

*what has happened to new york city?

*what is in the time capsule?

* what did the kidz see that gave them hope?

*what will they do with what they find?

* how will they save the city?

* what challenges will they face along the way?

*what big choice will they make at the climax of the story?

* what lesson do they learn at the end of the story?

you need to give us more information since we can't answer

sas (side angle side)

aa(angle angle)

sss(side side side)

sas you have to find two sides with an angle in between

aa you find two angles because it will always add up to 180

sss find all sides

step-by-step explanation: