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slamgirl [31]
2 years ago
14

a gym teacher has a large canvas bag that contains 8 tennis balls, 2 volleyballs, 1 basketball, 3 baseballs, and 5 footballs. if

you reach into the bag at random, what is the probability that you select a baseball
Mathematics
1 answer:
Serga [27]2 years ago
6 0

Answer:

Step-by-step explanation:

5+1+3+8+2=19

3/19 = 16%

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An important factor in selling a residential property is the number of times real estate agents show a home. A sample of 23 home
liberstina [14]

Using the t-distribution, it is found that the 95% confidence interval for the mean number of people the houses were shown is (20.1, 27.9).

We have the <u>standard deviation for the sample</u>, hence the t-distribution is used to build the confidence interval. Important information are given by:

  • Sample mean of \overline{x} = 24.
  • Sample standard deviation of s = 9.
  • Sample size of n = 23

The confidence interval is:

\overline{x} \pm t\frac{s}{\sqrt{n}}

In which t is the critical value for a <u>95% confidence interval with 23 - 1 = 22 df</u>, thus, looking at a calculator or at the t-table, it is found that t = 2.0739.

Then:

\overline{x} - t\frac{s}{\sqrt{n}} = 24 - 2.0739\frac{9}{\sqrt{23}} = 20.1

\overline{x} + t\frac{s}{\sqrt{n}} = 24 + 2.0739\frac{9}{\sqrt{23}} = 27.9

The 95% confidence interval for the mean number of people the houses were shown is (20.1, 27.9).

A similar problem is given at brainly.com/question/15180581

6 0
2 years ago
What is the perimeter of a rectangle with a length of 22 and a width of 68.8?
lakkis [162]
Perimeter = (2 lengths) + (2 widths) or 2(length + width).

2 (22 + 68.8) = 2 (90.8) = <u>181.6</u>
3 0
3 years ago
Read 2 more answers
I NEED HELP ASAP PLEASEE THANK YOUUU
Viefleur [7K]

Answer:

8

Step-by-step explanation:

4 0
2 years ago
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It costs $38 for 2 people to go to the movie theater. 40% of the money was for snacks.What was the cost of each movie ticket?
stira [4]

Answer:

11.4

Step-by-step explanation:

40% of 38 is 15.2, 38-15.2=22.8. 22.8/2=11.4 (since there's two people)

4 0
3 years ago
The distance between Henry's house and his school is 648 feet. How many yards are equivalent to 648 feet?
vlabodo [156]

Answer:

216 yards

Step-by-step explanation:

There are 3 feet in a yard, so the number of yards is equal to the number of feet divided by 3.

648/3 = 216

5 0
3 years ago
Read 2 more answers
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