3 years ago

Please help. science/math.

Mathematics

2 answers:

Aleonysh [2.5K]3 years ago

7 0

The correct answer is 85

Roman55 [17]3 years ago

7 0

The mode is the number that occurs most often in a group of numbers.

The answer would be B. 85

85 occurs 3 times in the group of numbers.

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The weight of people in a small town in missouri is known to be normally distributed with a mean of 154 pounds and a standard de

ad-work [718]

If a random sample of 20 persons weighed 3,460, the sample mean x-bar would be 3460/20 = 173 pounds.
The z-score for 173 pounds is given by:
$z=\frac{173-154}{29}=0.655$
Referring to a standard normal distribution table, and using z = 0.66, we find:
$P(\bar x\ \textless \ 173)=0.7454$
Therefore
$P(\bar x\ \textgreater \ 173)=1-0.7454=0.2546$
The answer is: 0.2546

4 0

3 years ago

List the intergers below

Monica [59]

Answer:

All integers that are below 0 is -1, -4, -2, -8, and -7.

5 0

2 years ago

Help me please I don't understand

Arturiano [62]

Step-by-step explanation:

hope this helps you out with the problems

3 0

2 years ago

(7-3)x(9-2)= what I am stuck help me

natka813 [3]

7-3=4
9-2=7
4x7=28
Use PEMDAS for order of operations, it will save your life
Parenthesis Exponents Multiply Divide Add Subtract
Multiply and Divide and Add and Subtract can be switched around with each other, but multiply and divide always happens before add and subtract. The reason you add first here is because it is in the parenthesis.

3 0

3 years ago

Which fraction is not equivelent to 25%<br> A.1/4 B.5/20<br> C. .25 D. 2/5

Hunter-Best [27]

Answer:

1/4

Step-by-step explanation:

p% = p/100 so that

25/100 then after we will reduce both with 25

1/4

6 0

2 years ago