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stepan [7]
3 years ago
13

24 students and Jamal's class are wearing tennis shoes there are 30 students in this class your mom says that 70% of this class

is wearing tennis shoes is the Jamal correct
Mathematics
1 answer:
slavikrds [6]3 years ago
8 0
No because it would only be 80%
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Pls help asap! i will mark brainliest!
mina [271]

Answer:

3

Step-by-step explanation:

2 x 7= 14 - 17= 3

6 0
2 years ago
The Australian sheep dog is a breed renowned for its intelligence and work ethic. It is estimated that 45% of adult Australian s
ArbitrLikvidat [17]

Answer:

Probability of more than 9 adult Australian sheep dogs out of 12 weighing 65 lb or more

P(X > 9) = 0.00788

Step-by-step explanation:

The only assumption required for the question is that all 12 adult dogs sampled must all be Australian sheep dogs.

This is a binomial distribution problem

Binomial distribution function is represented by

P(X = x) = ⁿCₓ pˣ qⁿ⁻ˣ

n = total number of sample spaces = number of adult dogs to be sampled = 12

x = Number of successes required = number of dogs that weigh 65 lb or more

= more than 9; >9

p = probability of success = probability of a dog weighing 65 lb or more = 0.45

q = probability of failure = probability of a dog NOT weighing 65 lb or more = 1 - 0.45 = 0.55

P(X > 9) = P(X=10) + P(X=11) + P(X=12)

Solving each of these probabilities, using the binomial distribution formula

P(X = x) = ¹²Cₓ (0.45)ˣ (0.55)¹²⁻ˣ with x = 10, 11 and 12

P(X > 9) = P(X=10) + P(X=11) + P(X=12)

= 0.00679820806 + 0.00101130368 + 0.00006895252

= 0.00787846427

= 0.00788 to 3 s.f

Hope this Helps!!!

3 0
3 years ago
Read 2 more answers
Mattie's house consists of two stories and an attic the first floor is 8 and 5 six feet tall the second floor is 8 & a half
Hitman42 [59]
This is telling you to do area and then add the two numbers you get
6 0
3 years ago
Simplify the expression
NeTakaya

First, solve the parenthesis

Remember to follow PEMDAS, and the left-> right rule

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4 x 2 = 8

8 + 3 = 11

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Square the remaining number

4² = 4 x 4 = 16

16 is your answer

hope this helps

7 0
3 years ago
How to graph 5x+3y=15​
maxonik [38]

Answer:

Step-by-step explanation:

The number 2 goes into both 12 and 14.

Step-by-step explanation:

12 ÷ 2 is 6 and 14 ÷2 is 7 . You can't really simplify 14 by any other whole number besides 2 or 7 .

6 0
2 years ago
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