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statuscvo [17]
2 years ago
13

Which scenario depicts two independent events? A teacher is calling on students to present their reports. He calls on Mario firs

t and then chooses the next presenter from the remaining students. The girls’ basketball team is playing against the boys’ basketball team. The coach chooses a captain for the girls’ team and then chooses a captain for the boys’ team. Yasmin is picking flowers from a garden to create a bouquet. She picks a flower, keeps it for the bouquet, and then she picks another. Felipe is making a dentist appointment. First he chooses the day for his appointment, and then he chooses the time from the available openings.
Mathematics
2 answers:
Vsevolod [243]2 years ago
4 0
Choosing the coaches of the basketball teams is independent because which girl he chooses does not influence nor is it influenced by the choice for the boy
Fed [463]2 years ago
3 0

B. The girls’ basketball team is playing against the boys’ basketball team. The coach chooses a captain for the girls’ team and then chooses a captain for the boys’ team

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In a​ survey, 39​% of the respondents stated that they talk to their pets on the telephone. A veterinarian believed this result
olganol [36]

Answer:

Step-by-step explanation:

Hypotheses:

H_0: p=0.39\\H_a:p

(Left tailed test)

p = sample proportion

n = sample size = 200

Sample proportion = p = 73/200 = 0.365

Std error = 0.03404

p difference = 0.365-0.39 = 0.025

t = 0.025/se = 0.7344

df = 199

p value = 0.2317

Since p >0.05 accept null hypothesis

No,the veterinarian does not have a right to be​ skeptical because there is no statistical evidence to support his claim.

8 0
1 year ago
There is a spinner with 12 equal areas, numbered 1 through 12. If the spinner is spun one time, what is the probability that the
alexira [117]

Answer:

1/3

Step-by-step explanation:

Of the numbers between 1 and 12, the numbers that are multiples of 4 or 6 are: 4, 6, 8, 12.

So the probability is 4/12, or 1/3.

3 0
1 year ago
Plane A has just 1 ton of fuel left and has requested plane B to refuel it. Plane B has 21 tons of fuel. Fuel transfer happens a
garri49 [273]

Answer:

y = x + 1 y = -x + 21

(0, 1) (0, 21)

(1, 2) (1, 20)

(2, 3) (2, 19)

(3, 4) (3, 18)

Step-by-step explanation:

6 0
1 year ago
Read 2 more answers
A small company’s net income for the first six months of the year was $76,500 and for the last six months it was $100,000. What
worty [1.4K]
76,500/100,000 divide by 100
765/1,000. divide by 5
153/500
4 0
2 years ago
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To avoid collisions with invasive species of aliens, new imperial regulations allow only positive integer space jumps parallel t
Sunny_sXe [5.5K]

Answer:24,942,060

Step-by-step explanation:

(10,10,4) - (3,2,0) = 7,8,4

7+8+4=19

19!/(7!*8!*4!)= 24'942'060

7 0
1 year ago
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