Find probability that murder are committed with a firearm

Assignment Help Basic Statistics
Reference no: EM13121429

Previous research shows that 65% of murders are committed with a firearm. if 150 murders are randomly selected, use the normal approximation to the binomial to determine what is the probability that: 100 or more murder are committed with a firearm? a. 0.452 b. 0.548 c. 0.367 d. 0.164.

Reference no: EM13121429

Questions Cloud

Direct materials quantity variance : The following data relate to direct materials costs for November: Actual costs 4,600 pounds at $5.50  Standard costs 4,500 pounds at $6.00 What is the direct materials quantity variance?
Nilradicals and prime ideals : Assume R is commutative ring. Prove that the following are equivalent: Here N(R) denotes the nilradical of R. The set of nilpotent elements form an ideal called the nilradical of R
Discuss hemoglobin relative to its chemical structure : Discuss hemoglobin relative to its chemical structure, its function, and the color changes it undergoes during loading and unloading of oxygen.
What would be expected mass of the cooled dehydrated salt : if a 2.743g sample of MgSO4 7H2O were heated strongly, what would be the expected mass of the cooled dehydrated salt? (use M=246.471g mol-1 as the molar mass of MgSO4 7H2O.
Find probability that murder are committed with a firearm : use the normal approximation to the binomial to determine what is the probability that: 100 or more murder are committed with a firearm? a. 0.452 b. 0.548 c. 0.367 d. 0.164.
Illustrate what is the contribution margin per ton : Timberland’s incremental tax rate is 30%. Prepare a budgeted income statement assuming that Timberland sells 2,500 tons. Illustrate what is the contribution margin per ton?
What are the steps in mitotic cell division : What are the steps in mitotic cell division, and how do they differ from the steps in meiotic cell division?
Study the components, processes and outcomes : What are some of the methods that scientists have used to study the components, processes, and outcomes of cell division?
Accounts receivable and cash sales : Of the remaining 80% (the credit sales), 60% are collected in the month of sale, with remaining 40% collected in the following month. What is the total cash collected (both from accounts receivable and for cash sales) in the month of January?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Evidence to conclude that proportions vary from study

At alpha = 0.05, is there enough evidence to conclude that proportions vary from those in the study?

  Strategy for statistically testing new diabetics drug

Let's say I have a new drug that I think helps diabetics. So I perform clinical trials in accordance with the FDA requirements. I give one randomly selected groups of diabetics the drug, and another sample gets a placebo pill.

  Conditional probability formula and contingency tables

In large accounting firm, the proportion of accountants with MBA degrees and at least five years of professional experience is 0.75 times the proportion of accountants with no MBA degree and less than 5 years of professional experience.

  Computing the conditional probability

3 cards are randomly selected without replacement from an ordinary deck of 52 playing cards. Compute the conditional probability that the first card selected is a spade, given that the second and third cards are spades.

  Find probability that given class period runs less

A statistics professor plans classes so carefully that the lenths of her class are uniformly distributed between 50.0 and 52.0 minutes. Find the probability that a given class period runs less than 51.5.

  Compute accounts for variation

Can you think of other cases where the expected probabilities do not quite agree with the empirical values based on relative frequency?

  Statistics-emperical rule

Using the empirical rule, what is the approx percentage of cans of regular coke with weights between 0.80931 lbs. and 0.82433 lbs?

  Find the probability using normal distribution

Computing the probability value using normal distribution - find the normal distribution

  Create sampling distribution of mean for random sample

Construct the sampling distribution of the mean for the random samples of size 2 from the population. Calculate the mean and the standard deviation of the sampling distribution.

  Distribution of sample proportions

Suppose you know that the distribution of sample proportions of nonresidents in samples of 200 students is normal with a mean of 0.04 and a standard deviation of 0.03.

  Chi-square test for alcohol consumption

At α = 0.10, can the researcher conclude that alcohol consumption is related to sex?  What kind of Chi-Square test is this?

  Randomized block experiment

A design for 2 treatments has p pairs of blocks. Each block has three plots. In each pair one block has two plots with A and one with B, and the other has two plots with B and a single plot with A.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd