What is the slope of the line that passes through the points listed in the table?

One ounce is about the same as 0.06 pound. What is 0.06 written as a fraction?

dem82 [27]

3/50

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6 0

3 years ago

A humanities professor assigns letter grades on a test according to the following scheme. A: Top 12% of scores B: Scores below t

RUDIKE [14]

Answer:

The minimum score required for an A grade is 88.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

$\mu = 77.8, \sigma = 8.5$

Find the minimum score required for an A grade.

Top 12%, which is at least the 100-12 = 88th percentile, which is the value of X when Z has a pvalue of 0.88. So it is X when Z = 1.175.

$Z = \frac{X - \mu}{\sigma}$

$1.175 = \frac{X - 77.8}{8.5}$

$X - 77.8 = 1.175*8.5$

$X = 87.8$

Rounding to the nearest whole number

The minimum score required for an A grade is 88.

5 0

3 years ago

Read 2 more answers

An automotive manufacturer has developed a new type of tire that the research team believes to increase fuel efficiency. the man

bezimeni [28]

Answer:

3) One-sided,compare two populations

Step-by-step explanation:

A manufacturer wants to investigate the whether there is an increase in the mean gas mileage of mid-sized sedan having new type of tire compared to mean gas mileage of mid-sized sedan not having new type of tire.

So, there are two populations :

population 1 : mid-sized sedan having new type of tire.

population 2 : mid-sized sedan not having new type of tire.

So, two populations are being compared.

Also, A manufacturer is investigating whether there is an increase in mean gas mileage.The alternative hypothesis will be right tailed and so, this corresponds to one sided test.

6 0

3 years ago

explain how you could find the area of the quarter circle shown on the right. then write a formula that could be used to find th

Nutka1998 [239]

Answer:

Do the formula below

Step-by-step explanation:

you would do pi * radius^2 to get area then divide by 4 and take that and you will have 1/4 of the circle

7 0

3 years ago

Chloe grew .52 inches this summer.Her brother Kade grew .53 inches. Who grew more over the summer?

hichkok12 [17]

Answer:

Kade

Step-by-step explanation:

.53 is bigger than .52

8 0

3 years ago