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KIM [24]
2 years ago
9

The typing speeds for the students in a typing class is normally distributed with mean 44 words per minute and standard deviatio

n 6 words per minute. What is the probability that a randomly selected student has a typing speed of less than 38 words per minute
Mathematics
1 answer:
Rasek [7]2 years ago
3 0

Answer:

15.87%

Step-by-step explanation:

*Probability-Below 15.87%

Z1=-1

*x-1 38

*µ 44

*σ 6

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Dade County Public Schools
deff fn [24]
Thirty-four thousandths
4 0
3 years ago
A camera shop purchases a camera for $56.98 and sells it for $102.56. What is the percent of markup?
Amiraneli [1.4K]

Answer:

180%

Step-by-step explanation:

Set up an equation:

Variable x = percent of markup

102.56/56.98 = x/100

Cross multiply

102.56 × 100 = 56.98 × x

10,256 = 56.98x

Divide both sides by 56.98:

179.99297.... = x

Round to nearest whole number:

180 = x

Check your work:

56.98 × 180%

Convert the percentage into a decimal:

56.98 × 1.80

102.564

Round to nearest cent:

102.56

Correct!

8 0
3 years ago
Solve the value of Z 8 = 16
dezoksy [38]

Answer:

Z=2

Step-by-step explanation:

Z8=16

Z=16/8

Z=2

4 0
3 years ago
Solve the equation<br>2/3 h - 1/3 h + 11 = 8<br><br>h = ?​
Deffense [45]

Answer:

2 \div 3h - 1 \div 3  h+ 11 = 8 \\ 2 - 1 \div 3h =  - 3 \\ 1 \div 3h =  - 3 \\  - 9h = 1 \\ h =  - 1 \div 9

-1/9 is the answer

8 0
3 years ago
Given a conditional statement p → q, which statement is logically equivalent?
svlad2 [7]
Hello,
p=>q  is equivalent to ~q → ~p


p-------q-------p=>q--~q ----- ~p----~q → ~p
0-------0-------1-------1 ------- 1------- 1
0-------1-------1-------0-------  1------- 1
1-------0-------0-------1-------  0-------0
1-------1-------1-------0-------  0-------1

Column 3= column 6 ==>equivalent


Answer B


























3 0
3 years ago
Read 2 more answers
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