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qwelly [4]
3 years ago
6

A data research company finds that monthly sales of hard disks in California is 1.445 million units on average with a standard d

eviation of 45,000. What is the z-score corresponding to 1.500 million units? A. 0.055 B. 0.889 C. 1.22 D. 32.11
Mathematics
1 answer:
inysia [295]3 years ago
4 0

Answer:

d

Step-by-step explanation:

32.11

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Submit five "starters" for improv. They must be appropriate for school
Anestetic [448]

Answer:

By "starters" what do you mean?

8 0
3 years ago
The diameter of your bicycle wheel is 25 inches. How far will you move in two turns of your wheel? Use 3.14 for pi. A.40in. B.75
Kisachek [45]

Answer is: 150 inches

Explanation:

d==> 25 inches

π==>3

solution ==>

circumference ==> π*d

==>3*25 inches

==>75 inches

it will cover 75 cm in 1 turn.

so, in two turns, it will cover ==>2*75 inches

==>150 inches

hence, correct answer is 150 inches.

3 0
4 years ago
A science class has 4 girls and 4 boys in the seventh grade and 5 girls and 7 boys in the eighth grade. The teacher randomly sel
e-lub [12.9K]

Answer:

<u>The correct answer is 5/24 or 0.21</u>

Step-by-step explanation:

1. Let's review all the information given to answer the question correctly:

Science class in seventh grade = 4 girls and 4 boys

Science class in eighth grade = 5 girls and 7 boys

2. What is the probability that both students selected for the competition are girls,  a seventh grader and an eighth grader?

These are independent events, therefore:

Probability of two independent events = Probability of A * Probability of B

Probability of both students selected for the competition are girls = 4/8 * 5/12

Probability of both students selected for the competition are girls = 20/96 = 5/24

<u>The correct answer is 5/24 or 0.21</u>

7 0
3 years ago
What is 6350.384 rounded to the nearest tenth
Rufina [12.5K]
The answer is 6350.4
4 0
4 years ago
Read 2 more answers
This is a similar triangle please find the missing length. (?)
Temka [501]

Answer:

33

Step-by-step explanation:

In ΔPQR,

length of side=

77= 7×11

84= 12

Similarly, In ΔFGH

length=

36=3×12

so, the other side= 3×11= 33

6 0
3 years ago
Read 2 more answers
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