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Solnce55 [7]
3 years ago
15

Please help me with 12!

Mathematics
2 answers:
ICE Princess25 [194]3 years ago
5 0
6 tickets because 1 for an adult one day and 1 for a child for one day then one for adults 2 day one for kids 2 days one for kids weekly and one for adults weekly so 6 different types of tickets
Liono4ka [1.6K]3 years ago
3 0
Four different colours I believe. Because it says each ticket type will be a different colour. Therefor, adult (1), child (2), 1-day (3), 2-day (4).

Hope this was helpful and correct! 

 
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The mean student loan debt for college graduates in Illinois is $30000 with a standard deviation of $9000. Suppose a random samp
Nataly [62]

Answer:

the probability that the mean student loan debt for these people is between $31000 and $33000 is 0.1331

Step-by-step explanation:

Given that:

Mean = 30000

Standard deviation = 9000

sample size = 100

The probability that the mean student loan debt for these people is between $31000 and $33000 can be computed as:

P(31000 < X < 33000) = P( X \leq 33000) - P (X \leq 31000)

P(31000 < X < 33000) = P( \dfrac{X - 30000}{\dfrac{\sigma}{\sqrt{n}}} \leq \dfrac{33000 - 30000}{\dfrac{9000}{\sqrt{100}}}    )- P( \dfrac{X - 30000}{\dfrac{\sigma}{\sqrt{n}}} \leq \dfrac{31000 - 30000}{\dfrac{9000}{\sqrt{100}}}    )

P(31000 < X < 33000) = P( Z \leq \dfrac{33000 - 30000}{\dfrac{9000}{\sqrt{100}}}    )- P(Z \leq \dfrac{31000 - 30000}{\dfrac{9000}{\sqrt{100}}}    )

P(31000 < X < 33000) = P( Z \leq \dfrac{3000}{\dfrac{9000}{10}}}) -P(Z \leq \dfrac{1000}{\dfrac{9000}{10}}})

P(31000 < X < 33000) = P( Z \leq 3.33)-P(Z \leq 1.11})

From Z tables:

P(31000 < X

P(31000 < X

Therefore; the probability that the mean student loan debt for these people is between $31000 and $33000 is 0.1331

8 0
3 years ago
James found a pair of shoes he wanted at two stores. At store A they are $35 and he had a 20% off coupon. At store B they were $
Oxana [17]

Answer: They cost the same amount.

Step-by-step explanation:

35(0.20)=7

35-7=28

40(0.30)=12

40-12=28

28=28

7 0
3 years ago
A grapefruit weighs 0.25 kilograms a lemon weighs 0.24 times as much as the grapefruit how many kilograms did the lemon weigh
lesantik [10]

Answer:

The lemon weighs 0.06 kilograms.

Step-by-step explanation:

0.25*0.24=0.06

4 0
3 years ago
Inequality n &lt; -5<br> HELPPP ASAPPP
ale4655 [162]

Answer:

please give me a brainless 0

Inequality :

α1+(n−1)a−(⌊n÷m⌋×(a−b))≥x

The following is as far as I get:

α1+(n−1)a−(⌊n÷m⌋×(a−b))≥x

(n−1)a−(⌊n÷m⌋×(a−b))≥x−α1

n−1−(⌊n÷m⌋×(a−b))≥x−α1a

n−(⌊n÷m⌋×(a−b))≥x−α1a + 1

Step-by-step explanation:

3 0
3 years ago
On a coordinate plane, the x-axis is labeled bags of trail mix and the y-axis is labeled ounces of almonds. Line a is labeled y
Musya8 [376]

Answer:

Line B

Step-by-step explanation:

Only one line on the graph shows 2 ounces of almonds for 1 bag of trail mix: line B.

7 0
3 years ago
Read 2 more answers
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