What is the median of this

Mathematics

2 answers:

brilliants [131]3 years ago

5 0

Answer: The median is 4

Step-by-step explanation: Put all the numbers in least to greatest order and the number in the middle which is 4 is the median.

vfiekz [6]3 years ago

4 0

Answer:

Step-by-step explanation:

To find a median, you must put the numbers in numerical order(1,2,3,4...). So, in this case, it would be 1,3,4,4,7,9,9. Then, the median is simply the middle number so it would be four.

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Dave, Frida, Natalie, and Robbie have four adjacent seats at a baseball park. They randomly chose an order to sit in. Make a lis

Novosadov [1.4K]

The sample space (list of outcomes) is:
DFNR; DFRN; DRFN; DRNF; DNFR; DNRF;
NFDR; NFRD; NRFD; NRDF; NDRF; NDFR;
RFDN; RFND; RNFD; RNDF; RDFN; RDNF;
FRDN; FRND; FNRD; FNDR; FDRN; FDNR

P(Dave beside Natalie) = 1/2
P(B,G,B,G or G,B,G,B) = 1/3
P(boys in the middle) = 1/6
P(Frida beside Natalie) = 1/2
P(Robbie between Frida & Natalie) = 1/6
P(Natalie between Dave & Robbie) = 1/6

Explanation
Letting D=Dave, R=Robbie, N=Natalie, and F=Frida you get the list of possibilites above.

For P(Dave beside Natalie), look for DN or ND. This appears 12 times out of the 24 possibilities above; 12/24 = 1/2.

For P(B,G,B,G or G,B,G,B), we have the possibilities DFRN, DNRF, RFDN, RNDF, FRND, FDNR, NDFR, NRFD. There are 8 possibilites out of 24; 8/24 = 1/3.

For P(Frida beside Natalie), look for NF or FN. This appears 12 times out of the 24 possibilities; 12/24 = 1/2.

For Robbie between Frida and Natalie, look for FRN or NRF. This appears 4 times out of 24; 4/24 = 1/6.

For Natalie between Robbie and Dave, look for RND or DNR. This appears 4 times out of 24; 4/24 = 1/6.

7 0

3 years ago

Find -2/3 divided by 4/6 -1 4/9 -9/4 1

nalin [4]

Answer:

-1

Step-by-step explanation:

The given expression is:

$-\frac{2}{3}\div \frac{4}{6}$