A paint manufacturing company claims that the mean drying time for its paints is less than 45 minutes. A random sample of 30 gallons of paints selected from the production line of this company showed that the mean drying time for this sample is 44 minutes with a standard deviation of 5 minutes. Assume that the drying times for these paints have a normal distribution. Using the 2% significance level, would you conclude that the company’s claim is true? Conduct the appropriate test to determine, at the .02 level of significance, whether the average drying time is or is not less than 45 minutes. What is the predominant formula you will use to solve the problem?

my acc plz

step-by-step explanation:

d

step-by-step explanation:

hello and welcome!

so, when we see the words "proportional" along with a table, we need to know that we're looking numbers that divide by the same thing.

looking at this table, we simply have to do a trial and error, and divide to see which numbers have the same quotient. if you look at choice a & c, they both have equal quotients for three of the numbers, with one exception, so those can't be the answer. looking at b, there is no similarity, so that can't be it. then, we see d; if you divide all the numbers in the table, you'll see that they all divide by two, which is a proportional relationship, and our answer!

also, always remember that the x will always be the number that goes into y, and somewhere behind this table, is a formula. for this specific table, the formula would be:

since our x-value is being divided by two to get the y-value. and if they were to ask for more numbers in the series, this is the formula you would use to find them.

lr = 24

step-by-step explanation:

note that p is the midpoint of lr. to find the measurement of lr, set the equation:

lr = lp + pr

plug in the corresponding numbers to the corresponding variables:

lr = (15) + (9)

simplify:

lr = 24

24 is your measurement of lr.

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