+1-415-315-9853

info@mywordsolution.com

## Statistics

The number of arrivals per minute at the bank located in a central business district of large city was recorded over a period of 200 minutes, with the results which are given below:

Arrivals            Frequency
-0                      14
1                       31
2                       47
3                       41
4                       29
5                       21
6                       10
7                        5
8                        2

A) find out the expected number of arrivals per minute.

B) find out the standard deviation.

Statistics and Probability, Statistics

• Category:- Statistics and Probability
• Reference No.:- M91014

Have any Question?

## Related Questions in Statistics and Probability

### In a recent survey of high school seniors a random sample

In a recent survey of high school seniors, a random sample of 1000 females showed that 650 were planning on pursuing a college degree, while a random sample of 1000 females showed that 600 were planning on pursuing a col ...

### Consider rolling a fair 6-faced die twice let a be the

Consider rolling a fair 6-faced die twice. Let A be the event that the sum of the two rolls is at most 6, and B be the event that the first one is an even number. (a) What is the probability that the sum of the two rolls ...

### Why is a z score a standard score why can standard scores

Why is a z score a standard score? Why can standard scores be used to compare scores from different distributions?

### 1 what kind of variance does the mean square within-groups

1. What kind of variance does the mean square within-groups (MS wg ) reflect? 2. The sum of squares between-groups (SS bg ) reflects the degree to which the condition means vary around the __________.

### A student wonders if people of similar heights tend to date

A student wonders if people of similar heights tend to date each other. She measures herself, her roommate, and the women in adjoining rooms; then she measures the next man each woman dates. Here are the data (heights in ...

### Through the feasted landscapes sustainability in american

Through the Feasted Landscapes Sustainability in American Topics, Chapter "The Work of the U.S. Sanitary Commission (1864)": 1. At first, who resisted civilian participation in providing food supplies and medical assista ...

### A researcher obtained a sample of 180 participants between

A researcher obtained a sample of 180 participants between the ages of 18 and 24 and calculated the phi coefficient between whether they smoked cigarettes and whether they used marijuana (yes vs. no). Because the correla ...

### Use a fast food restaurant and for 5 types of food from the

Use a fast food restaurant and for 5 types of food from the restaurant, list the fat grams and its total calories. Is there a linear relationship between the two variables? The double whopper has 900 calories and 56 gram ...

### Twenty years ago 40 children were born in the same hospital

Twenty years ago 40 children were born in the same hospital in Denmark. Researchers classified the children by whether or not they were breast-fed for at least 3 months. They were interested in whether breast-feeding ten ...

### Problem 1 if we were to visit europa one of jupiters

Problem 1: If we were to visit Europa (one of Jupiter's Galilean moons) and we were to look at the sky, what would be Jupiter's angular size if Jupiter is in average 670,900 km away from Europa and has a diameter of 139, ...

• 13,132 Experts

## Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

### Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

### Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

### Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

### Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

### Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen