Question 1

Katy surveyed the other students about their favorite meal at the zoo.  The results of the survey are shown in the table.  One  person is Katy's group will be picked at random.  Based on the information given, which statement is true?

Accepted Answer

The person's favorite meal is twice as likely to be hot dogs as it is to be chicken sandwich.

Answer

The person's favorite meal is equally likely to be hot dog as hamburger.

Answer

The person's favorite meal is three times as likely to be pizza as it is to be hamburger.

Answer

The person's favorite meal is more likely to be chicken sandwich than pizza.

Question 2

Elizabeth goes to the Butterfly Exhibit.  She sees the following colors on butterflies: 8 yellow, 3 red, 5 blue and 10 orange.  The butterflies are randomly landing on  Elizabeth.  What is the probability that a yellow butterfly will land on Elizabeth?

Accepted Answer

$\frac{4}{13}$

Answer

$\frac{4}{9}$

Answer

$\frac{8}{10}$

Answer

$\frac{8}{13}$

Question 3

When you walk into the  Lory Landing, you see 8 scarlet Lories, 4 green Lories, 7 royal blue Lories, 5 fiery orange Lories, and 3 violet Lories.  One randomly flies and lands on your head.  What is the probability that the Lory is voilet?

Accepted Answer

$\frac{1}{9}$

Answer

$\frac{1}{8}$

Answer

$\frac{3}{26}$

Answer

$\frac{3}{7}$

Question 4

On the Zootennial Carousel, there are 60 carousel animals.  In the first 10, we see 3 birds.  Based on this observation, how many birds are you  expect to be on the carousel?

Accepted Answer

18 birds

Answer

20 birds

Answer

6 birds

Answer

30 birds

Question 5

We notice a place that does face painting.  The painter has the following paints on her table: 5 red, 4 green, 5 blue, 10 purple.  Once she uses a paint, she does not reuse it.  What is the probability she will use a blue paint, then a red paint?

Accepted Answer

$\frac{25}{552}$

Answer

$\frac{5}{576}$

Answer

$\frac{1}{5}$

Answer

$\frac{5}{12}$

Question 6

The spinner is divided in to congruent sections  that are labeled with different values as shown.  If the spinner is spun one time, what is the probability of NOT landing on a section labeled with an even number?

Accepted Answer

$\frac{4}{9}$

Answer

$\frac{2}{9}$

Answer

$\frac{7}{9}$

Answer

$\frac{5}{9}$

Question 7

Elizabeth goes to the  Butterfly Exhibit.  She sees the following colors on butterflies: 8 yellow, 3 red, 5  blue and 10 orange.  The butterflies are randomly landing on Elizabeth.  What is the probability that a yellow butterfly then a red butterfly will land on Elizabeth at the same time?

Accepted Answer

$\frac{12}{325}$

Answer

$\frac{24}{26}$

Answer

$\frac{12}{13}$

Answer

$\frac{6}{169}$

Question 8

When you walk  into the  Lory Landing, you see 8 scarlet  Lories, 4 green  Lories, 7 royal blue Lories, 5 fiery orange Lories and 3 violet Lories.  One randomly flies and lands on your hand, and then another.  What is the probability that both Lories are blue?

Accepted Answer

$\frac{7}{117}$

Answer

$\frac{49}{706}$

Answer

$\frac{42}{729}$

Answer

$\frac{49}{729}$

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