# Data

Of 20 people invited to a pool party, 4 prefer vanilla ice cream, 7
prefer chocolate, and 3 prefer strawberry. The host surveys six of these
people at random to determine how much ice cream to buy.
a) What is the probability that at least 3 of the people surveyed prefer
chocolate ice cream?
b) What is the probability that none prefer vanilla ice cream?
c) What is the expected number of people who prefer strawberry ice
cream?
d) What is the expected number of people who do not have a
preference for any of the three flavours?

I got 0.353 but the answer says it 0.3359, why am I wrong?

1. 👍 0
2. 👎 0
3. 👁 199
1. You got 0.353 because of the decimals they were rounded up, so technically your answer is correct, if your teacher is decent than he would mark your answer right because its close enough.

1. 👍 0
2. 👎 0
posted by Brandon

## Similar Questions

1. ### Math

A survey revealed that 4 out of 5 people prefer vanilla ice cream to chocolate. In a class of 30 how many students are likely to prefer chocolate ice cream?

asked by christopher on April 13, 2010
2. ### Math

Are the answers correct? A total of 25 people were asked if they prefer chocolate or vanilla ice cream with a regular ice cream cone. 15 chose vanilla with a regular cone, and 10 chose chocolate with a regular cone. What is the

asked by Anonymous on March 13, 2019
3. ### math

We know that 65% of all Americans prefer chocolate over vanilla ice cream. Suppose that 1000 people were randomly selected. The Sampling Distribution of the sample proportion is

asked by Estimation on December 17, 2016
4. ### stats

An ice cream vendor sells three flavors: chocolate, strawberry, and vanilla. Forty five percent of the sales are chocolate, while 30% are strawberry, with the rest vanilla flavored. Sales are by the cone or the cup. The

asked by cate on March 10, 2013
5. ### math help azap

The two-way table shows poll results for preferred flavor of ice cream, vanilla or chocolate, and preferred topping, sprinkles or nuts. Of the people polled, how many chose vanilla ice cream? Sprinkles Nuts Vanilla 9 2 Chocolate 6

asked by liliana on February 22, 2016
6. ### Statistics

There are two types of ice cream cones, chocolate and vanilla. You and 24 of your friends (25 total people) are going to buy ice cream cones. If 15 people buy vanilla cones, and 20 people buy chocolate cones, how many people

asked by Mannie on May 6, 2017
7. ### Probability

The local ice cream stand offers three flavors of soft-serve ice cream: vanilla, chocolate, and strawberry: two types of cone: sugar and wafer: and three toppings: sprinkles, nuts, and cookie crumbs. If Dawn does not order vanilla

asked by Camile on January 28, 2010
8. ### math

determine the number of scoops per coneso each of the 88 students at an ice cream party has a different pattern of chocolate and vanilla ice-cream scoops.

asked by vic on December 10, 2010
9. ### Algebra!

An ice cream parlor sells sundaes with 3 different type of ice cream and 4 different toppings. They have 8 flavors of ice cream and 10 toppings for their customers to choose from. What is the probability that a customer orders a

asked by OLIO :) on May 26, 2012
10. ### Probability

At an ice cream ship, customers can order a sundae with 1 type of ice cream, 1 type of sauce, and 1 type topping. The types of ice cream are: chocolate; strawberry; vanilla The types of sauce are: caramel, strawberry, chocolate,

asked by Bobbie on April 19, 2011

More Similar Questions