Answer: 0.8413
Step-by-step explanation:
Given : Henry has collected data to find that the typing speeds for the students in a typing class has a normal distribution.
Mean : 
Standard deviation : 
Let x be the random variable that represents the typing speeds for the students.
The z-score :-
For x= 51
Using the standard normal distribution table ,the probability that a randomly selected student has a typing speed of less than 51 words per minute :-
Hence, the probability that a randomly selected student has a typing speed of less than 51 words per minute = 0.8413
The amount of butterscotch chips needed by proportional reasoning according to the task content is; 75oz.
<h3>What is the quantity of butterscotch chips needed according to the task content?</h3>
It follows from the task content that the proportion premise given is that; 3 times as many chocolate chips as butterscotch chips is required.
On this note, it follows that when 25oz of chocolate chips is needed, the number of butterscotch chips needed will be; 3 × 25oz
= 75oz of butterscotch chips.
Read more on proportions;
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Answer:
For A. it would be 9, 18, 27, 36, 45, 54
For B. it would be 12, 24, 36, 48, 60, 72
For C. it would be 36
For D. it would be 3
Step-by-step explanation:
Hope this helps
Answer:
184 m²
Step-by-step explanation:
Surface Area = 2(10*2) + 2(10*6) + 2(2*6)
Surface Area = 2(20 + 60 + 12)
Surface Area = 2(92)
Surface Area = 184 m²
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Answer:
28 years
Step-by-step explanation:
Sum of the years of Lance , Ted, Rosalinda = 39 + 22 +45 = 106 year
Sum of the years of Lance , Ted, Rosalinda & Erik = 33.5*4 = 134.0 year
Age of Erik = 134 - 106 = 28 years
