Ask question

Ask question

All categories

3 years ago

15

The following are amounts of total snow falls (in inches) in different Midwestern cities in the United States in a certain year:

20 40 31 7 15 29 25 20 17 32 28 12 34 29 20 17 33 23 Find the sample mean (it is an integer).

1 answer:

sashaice [31]3 years ago

6 0

Answer: 24

Step-by-step explanation:

Sample mean=∑ fx ÷ n

mean=432 / 18

mean=24

You might be interested in

A colour palette at a paint store has 6 shades of blue. Kelsie is choosing 2 shades of blue to paint her room. How many pairs of

Law Incorporation [45]

Answer:

B.) 15

Step-by-step explanation:

The order in which the shades are chosen is not important. For example, choosing powder then sky is the same outcome as choosing sky then powder. So we use the combinations formula to solve this question.

Combinations formula:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

In this question:

2 shades from a set of 6. So

$C_{6,2} = \frac{6!}{2!(6-2)!} = 15$

So the correct answer is:

B.) 15

8 0

3 years ago

A couple has a 400 acre farm that they want to leave to their future grandchildren. They decide to give each grandchild 12% of t

ruslelena [56]

Answer:

48

Step-by-step explanation:

5 0

2 years ago

PLEASE HELP ME ALL 3 THIS QUESTION! (you just need to check my answer is right or wrong)

inna [77]

Answer:

1 and 3 is right and I’m pretty sure 2 is right also.

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

Help I’ll mark u brainly !

tigry1 [53]

5.9 is the answer djdjjfjfjjf

5 0

2 years ago

Plz help me!!!!!!!! Which expressions are equivalent? <br> A.<br> B.<br> C.<br> D.

likoan [24]

Answer:

Option A

Step-by-step explanation:

The answer is Option A because $- \frac{2}{3} j + \frac{1}{5}k$ can be writen as $\frac{1}{5}k - \frac{2}{3}j$ .

6 0

2 years ago