Question

In a survey, 25 students are asked if they like vanilla ice cream or chocolate ice cream. 14 students like vanilla flavor, 17 students like chocolate

flavor, and 8 answer like both.

(a) [1] What is the probability that a randomly selected student likes vanilla or chocolate flavor?

(b) [1] What is the probability that a randomly selected student likes neither vanilla nor chocolate flavor?

(c) [2] A student who likes chocolate ice cream is chosen at random, find the probability that she also likes vanilla flavor.

Answer #1

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Some adults were asked about their favorite ice cream and here
are the results:
Chocolate Vanilla
Other
Male 123
98 79
Female 148
109 143
One adult is selected at random. Find the probability that
he/she:
a. likes chocolate ice cream b. is female c. likes vanilla ice
cream given that the adult is female d. is male given that they
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25% are males. 19% of all customers like Vanilla flavour and they
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are males. You find the probability that a randomly selected...

4) A survey indicated that chocolate is the most popular
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For each of the following, explain and indicate by a
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A severe drought in the Midwest causes dairy farmers to
reduce the number of
milk - producing cattle in their herds by a third. These
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that is used to manufacture chocolate ice
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A) A new report...

Suppose in a survey of 900 randomly selected student, 432 said
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A. Find a 90% confidence interval for the proportion of students
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B. What sample size is needed if we want 90% confidence with a
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SHOW ALL WORK!

A store serves two ice cream flavors: vanilla and chocolate. Out
of a sample of 50 customers, 27 purchased the vanilla flavor.
Assume the underlying customer flavor selection distribution is
normal.
Is the proportion of customers purchasing vanilla greater than
50%? (this part is done)
Ho is that p is not greater than 1/2
Ha is that p is greater than 1/2
z = 0.60
p value = 0.30
alpha = significance level = 10%
What is the power of...

Each person in a random sample of 105 ice cream eaters was asked to
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Number ofVotes21 28 15 18 23 What is the value of the test
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cream eaters have no flavor preference? O a. 1.00 o b. 2.14 O C.
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Out of a sample of 180 students, 85 indicated that they
preferred chocolate ice cream to vanilla ice cream.
a. Estimate the value of the population proportion of those who
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Estimated population proportion
b. Compute the standard error of the proportion. (Round the
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Standard error of the proportion
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Out of a sample of 200 students, 75 indicated that they preferred
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a.
Estimate the value
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Estimated population proportion
b.
Compute
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Standard
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Determine a 90%
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In a recent survey, 48% indicated chocolate was their favorite
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(Round the final answer to 2 decimal place.) Probability b. What is
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