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FromTheMoon [43]
3 years ago
6

How to find modal class​

Mathematics
1 answer:
Bingel [31]3 years ago
4 0

Answer:

The modal class is the group with the highest frequency. In this case, it is the two groups corresponding to 7.

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Use the inequality x2−8x+6≤0 and graphing calculator, or another piece of technology, to answer Part A and Part B. Part A: What
Kryger [21]

Answer:

Part A) The zero's of the function are x=0.84, x=7.16

Part B) The solution set is the interval  [0.84,7.16]

Step-by-step explanation:

we have

x^2-8x+6\le0

Using a graphing calculator

Part A) What are the zeros of the inequality to the nearest hundredth?

The zero's of the function are the values of x when the values of the function are equal to zero

see the attached figure

The zero's of the function are

x=0.84, x=7.16

Part B) What is the solution set for the inequality?

The solution set is the interval  [0.84,7.16]

All real numbers greater than or equal to 0.84 and less than or equal to 7.16

0.84\leq x \leq 7.16

5 0
3 years ago
Big chickens: According to a poultry industry news website, the weights of broilers (commercially raised chickens) are approxima
PtichkaEL [24]

Answer:  Yes , it is unusual for a boiler to weigh more than 1550 grams .

Step-by-step explanation:

Given : Big chickens: According to a poultry industry news website, the weights of broilers (commercially raised chickens) are approximately normally distributed with mean(\mu) 1358 grams and standard deviation(\sigma) 161 grams.

When the probability that broiler weigh more than 1550 grams < 0.5 , then is unusual otherwise not.

Let x denotes the weight of broiler, then the probability that broiler weigh more than 1550 grams :-

P(x>1550)=1-P(x\leq1550)\\\\=1-P(\dfrac{x-\mu}{\sigma}\leq\dfrac{1550-1358}{161})\\\\\approx 1-P(z\leq1.19)\ \ [\because\ z=\dfrac{x-\mu}{\sigma}]\\\\=\\\\=1-0.8830\ \ [\text{By using z-table}]\\\\=0.117  

Since 0.117<0.5

Therefore, it is unusual for a boiler to weigh more than 1550 grams .

6 0
4 years ago
The Kerwoods went out to eat at their favorite resturant. If there bill was $58.60 and they gave their server $8.79 for a tip, w
Yakvenalex [24]

Answer: 15%

Step-by-step explanation:

They gave their server $8.79 and their total bill was $58.60.

The question wants to know how much percentage of the total bill the tip they gave is:

= Tip / Total bill * 100%

= 8.79 / 58.60 * 100%

= 15%

6 0
3 years ago
Henry’s age is 10 years less than 4 times Paul’s age. If the sum of their ages is equal to 25 years, find the age of each boy.
Mazyrski [523]

Answer:

Henry is 18 and Paul is 7

Step-by-step explanation:

I figured it out in my head.

6 0
3 years ago
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An infinite population has a mean of 40 and a standard deviation of 15. a sample of size 100 is taken at random from this popula
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I dont know the answer sorry
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3 years ago
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