# probability

posted by .

In a recent survey, 35 percent indicated chocolate was their favorite flavor of ice cream. Suppose we select a sample of ten people and ask them to name their favorite flavor of ice cream.

(b)
What is the probability exactly four of those in the sample name chocolate? (Do not round intermediate values. Round your answer to 4 decimal places.)

(c)
What is the probability four or more name chocolate? (Round intermediate values to 4 decimal places. Round your answer to 4 decimal places.)

• probability -

ayyyyy lmao

• probability -

a. E(x)=np=(10)(0.35)=3.5
b. p(x=4)=10C4(0.35)^4(1-0.35)^6
=0.2376
c.

• probability -

c jawabannya apa ya?

• probability -

45454

• probability -

0.44

## Similar Questions

1. ### algebra 1

A survey at a local school showed that 38% of the students chose chocolate ice cream as their favorite ice cream. Eight hundred students took the survey. How many chose chocolate ice cream?
2. ### statistics

A nationwide study indicated that 27% of adults said that chocolate was their favorite ice cream flavor. A simple random sample of 150 adults is obtained. A.) Describe the sampling distribtuion of p, the sample proportion of adults …
3. ### Maths

An ice cream store sells 20 different flavors of ice cream and 3 different types of cones. How many different combinations of cone and ice cream flavor are possible, if customers are permitted to choose only one flavor of ice cream …
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 percentages …
5. ### Data math help 7th

Jeri asked 40 random students at his school to name their favorite ice cream flavor. Of the 40 students he asked, 25 of them preferred chocolate. Based on Barry's results, how many ff the 1200 students in the school most likely prefer …
6. ### statistic

In a recent survey, 45% indicated chocolate was their favorite flavor of ice cream. Suppose we select a sample of fourteen people and ask them to name their favorite flavor of ice cream.
7. ### geometry

ma is ordering an ice cream dessert. She must order a size, a flavor of ice cream, and a topping. There are sizes, flavor, and toppings to choose from. How many different ice cream desserts could she order?
8. ### Math

Barry asked 30 random students at his school to name their favorite ice cream flavor. Of the 30 students he asked, 20 of them preferred chocolate. Based on Barry's results, how many of the 1500 students in the school most likely prefer …
9. ### HELP ME ! DESPRATE MATH STUDENT !!

Sasha visits the ice cream parlor and asks the server to randomly choose her bowl color, ice cream flavor, and topping for her. Use the chart above to determine the probability that she will get a pink bowl with chocolate ice cream …
10. ### Math. plz help or try.

I would love it if you helped me. 1. Determine the median of this data set. 5,6,3,2,2,4,8,9 A. 2 B. 4.5 C. 5.5 D. 5 2. What is the mode of the data set?

More Similar Questions